20cl Votive Candle Boxes
75 × 75 × 90mm — Compact luxury boxes with internal collar inserts for votive and sampler candles.
Wax Melt Packaging BoxesEngineered specifically for the booming UK wax melt industry. Ultra-slim 142×62×18mm snap bar boxes, sliding matchbox sleeves, and clamshell cartons designed to slip through standard UK letterboxes at Royal Mail Large Letter rates, featuring specialized g
Engineered specifically for the booming UK wax melt industry. Ultra-slim 142×62×18mm snap bar boxes, sliding matchbox sleeves, and clamshell cartons designed to slip through standard UK letterboxes at Royal Mail Large Letter rates, featuring specialized grease-resistant barriers that prevent fragrance oil bleed.
Your specification. Your artwork. A clear quotation.
142×62×18mmSnap Bar Standard
< 24mm DepthRoyal Mail Large Letter
Oil-BarrierZero Fragrance Bleed
Die-Cut WindowShowcase Botanicals
From 100 UnitsFast UK Dispatch
Consider the details
What is the standard size and postage threshold for wax melt snap bar packaging?
The standard UK box size for a 50g 5-cavity wax melt snap bar is 142mm (length) × 62mm (width) × 18mm (depth). Crucially, maintaining an external depth under 24mm allows the box to qualify for Royal Mail Large Letter postal rates (saving up to £2.10 per shipment compared to small parcel rates). QPack wax melt boxes feature an inner grease-resistant barrier that stops high-load fragrance oils (10%–12%) from staining the outer cardboard.
- Calibrated 142×62×18mm snap bar fitment maintains under 24mm thickness for cheap Royal Mail Large Letter postage
- Food-grade water-based greaseproof barrier coating prevents fragrance oils and essential oils from bleeding through
- Optional open or PLA-lined clear display window showcases dried botanicals, mica pigments, and glitter finishes
- Available in classic Tuck-End, Sliding Matchbox Sleeve, and Hanging Header Tab formats for retail pegs
- Complete base and side panel compliance zoning for mandatory UK CLP allergen labels, pictograms, and batch codes
- Standard Dimensions
- 142 × 62 × 18mm (Snap Bar) / 115 × 75 × 25mm (Clamshell) / Custom Sizes
- Postal Category
- Qualifies for Royal Mail Large Letter (< 24mm thickness)
- Board Calipers
- 350gsm, 380gsm, 400gsm Virgin Folding Box Board (FBB) / Kraft Card
- Barrier Protection
- Water-based greaseproof barrier coating (prevents oil bleed and sweating)
- Box Styles
- Tuck-End Carton / Sliding Matchbox Sleeve / Hanging Peg Euro-Slot
- Window Options
- Open Cut-Out Window / Biodegradable Cellulose Film / Clear Recyclable PET
- Print Technology
- Full Colour CMYK Litho / High-Definition Digital with Multi-Scent Splitting
- Finishes
- Soft-Touch Velvet, Anti-Scuff Matte, Gloss, Holographic Foil Blocking
- Minimum Order (MOQ)
- From 100 units (split across multiple scents)
- Turnaround
- 5–8 working days across the UK
Find your fit
Complete Candle & Melt Packaging Solutions
Pair your wax melt boxes with our matching candle containers and gift packaging.
30cl Candle Boxes
84 × 84 × 103mm — The UK's best-selling candle box with heavy crash-lock bases for 30cl glass tumblers.
Candle Gift Set Boxes
Multi-compartment presentation boxes with bespoke die-cut inserts for votive trios and diffuser duos.
Crash-Lock Heavyweight Boxes
Engineered for courier transit and heavy 40cl–50cl double-wick glass jars with shock-absorbing inserts.
A closer look
Solving the Top 4 Pain Points in UK Wax Melt Packaging
Artisan wax melt makers face unique challenges: oil migration, high shipping costs, and fragile wax snapping. Our packaging is engineered to solve every single one.
Save Thousands in Postage via Royal Mail Large Letter
Shipping wax melts in bulky boxes triggers Royal Mail Small Parcel rates (starting at £3.29+). By engineering our snap bar cartons to exactly 18mm depth, even when packed inside a bubble-padded mailer, your parcel stays safely below the 25mm Large Letter ceiling, cutting delivery costs to just £1.15–£1.55 per order.
Water-Based Barrier Coating Stops Oil Sweating
Wax melts poured with 8% to 12% fragrance oil loads naturally 'sweat' during warm weather or postal transit. On unlined cardboard, this creates dark, greasy stains that ruin your brand presentation. QPack applies an invisible, eco-friendly water-based barrier to the inner carton that repels oils and keeps outer surfaces immaculate.
Scent-Release Display Windows
Unlike plastic clamshells that trap scent completely, our die-cut window cartons allow subtle fragrance notes to escape while letting customers admire botanical petals, biodegradable glitter, and vibrant marble dye swirls inside the box.
Multi-Scent Batch Flexibility for Growing Brands
Offering 10 different wax melt scents shouldn't mean ordering 10,000 boxes. With our advanced digital workflow, you can order 500 boxes split into 10 scent varieties (50 units each: Black Opium, Clean Cotton, Velvet Rose, etc.) under one low bulk-tier price.
Artisan Appeal
Sustainable Plastic-Free Packaging That Sells Scent
Consumers are actively shifting away from single-use plastic clamshells. Switching your wax melt bars to plastic-free, FSC-certified cardboard packaging gives your home fragrance line an instant eco-luxe upgrade that appeals to conscious shoppers and independent gift boutiques across the UK.
The Complete Guide to Custom Wax Melt Packaging
The UK wax melt sector has experienced exponential growth, evolving from kitchen hobby pouring into a multi-million-pound industry. However, wax melt makers face two persistent commercial hurdles: fragrance oil bleed (wax sweating) that ruins cardboard presentation, and shipping costs that eat into retail margins. QPack’s custom printed wax melt boxes are engineered specifically to solve both problems, delivering plastic-free, letterbox-friendly cartons that elevate your brand.
Royal Mail Large Letter Optimization (< 24mm)
Shipping via Royal Mail Small Parcel costs £3.29+. By precision-engineering our snap bar cartons to an external depth of 18mm, parcels packed in a bubble mailer comfortably clear the 25mm Large Letter slot:
- Standard 5-segment snap bar carton: 142mm (L) × 62mm (W) × 18mm (D)
- Postage cost reduction: Saves £1.70 to £2.10 on every single customer order
- Enables affordable DTC subscription clubs and promotional sampler packs
Oil-Resistant Barrier Technology
Soy, rapeseed, and coconut wax melts formulated with high 8%–12% fragrance oil loads naturally release microscopic oil droplets in warm temperatures. Standard paperboard absorbs these oils, creating dark grease patches:
- Our food-grade aqueous dispersion barrier coats the inner board face
- Completely blocks oil migration while remaining 100% recyclable
- Allows direct contact with wax wrapped in simple glassine sheets
Replacing Single-Use Plastic Clamshells with Sustainable Luxury
UK consumers are rejecting plastic clamshell packaging. Transitioning to plastic-free printed card snap bar boxes gives your brand an instant sustainability advantage that retailers love. With optional clear biodegradable cellulose display windows, customers can see your botanicals, mica shimmer, and pastel dyes without opening the pack.
Production & Workflow
Our 4-Step Packaging & Production Process
From jar tolerance checks and 3D CAD dielines to high-definition printing and tracked UK delivery.
Step 01 Jar Measurement & Structural CAD Dieline
Provide your glass jar height, diameter, and rim measurements (or supplier model like Karen, Lucy, Libbey, or Lotti). Our packaging structural studio calculates glass perimeter tolerances and supplies an engineered vector PDF dieline within 24 hours.
Step 02 3D Proofing, CLP Hazard & Panel Mapping
We map your brand artwork onto an interactive 360-degree 3D digital simulation, verifying panel margins, lid allowances, barcode quiet zones, and legal UK CLP hazard warning label placement on the base flap before production.
Step 03 High-Definition Litho Printing & Embellishment
Manufactured on heavy 380gsm–600gsm virgin folding boxboard using low-odour vegetable inks, precision micro-creasing, luxury hot foil stamping, debossing, or scratch-resistant soft-touch lamination engineered to withstand heavy glassware.
Step 04 Drop-Tested QC & Tracked UK Delivery
Every batch is inspected for crease squareness, adhesive seam pull-strength, and transit drop resistance before secure packing and express dispatch with free tracked mainland UK delivery.
Clear Answers
Frequently Asked Questions
Clear answers on sizing, minimum order runs, artwork proofs, board calipers, and free tracked UK delivery.
Will your wax melt boxes fit standard 50g 5-cavity snap bars?
Yes, perfectly. Our standard snap bar carton measures 142mm × 62mm × 18mm, designed specifically around the standard UK 5-segment snap bar mold. The bar slides in smoothly and sits snugly without rattling or breaking across segment lines.
Can I pack wax melts directly into the box without a plastic clamshell?
Yes. Thanks to our food-safe, oil-resistant inner barrier coating, you can place naked wax melt snap bars wrapped in simple glassine paper directly inside the printed box without worrying about fragrance oils bleeding through the card.
Do these boxes qualify for Royal Mail Large Letter postage?
Yes. When assembled with a snap bar inside, the box depth is 18mm. When mailed in a slim poly mailer or paper jiffy bag, the total thickness remains comfortably below the 25mm maximum threshold for Royal Mail Large Letter, maximizing your eCommerce margins.
Can I get a window cut out on my wax melt box?
Yes. We offer open die-cut windows (which allow customers to smell the cold scent throw) as well as windows lined with biodegradable, plant-derived clear cellulose film that keeps dust out while showcasing botanical decorations.
What is the minimum order quantity for custom wax melt packaging?
Our MOQ starts at 100 boxes. You can split this across multiple scent artwork files (for example, 25 boxes each of 4 seasonal scents), making it easy to test new fragrances without holding excess packaging inventory.
How do I print the legal CLP information on such a slim box?
We provide a dedicated CLP template block on the back panel of the dieline. This space is sized to accommodate the mandatory 28mm hazard pictogram, signal word, hazard statements, allergen listings, and your business contact details in accordance with UK Trading Standards.
Have a specific requirement or custom dieline?
Our UK packaging specialists can verify bottle clearances, create tailored structural CAD dielines, and supply physical plain samples.
Let’s make it yours
Ready to Brand Your Wax Melt Range?
Tell us your snap bar size, number of scent variants, and quantity. We'll send free vector dielines and an exact price quote within 24 hours.