Custom Seal End Boxes | Tamper-Evident Packaging | Cubit

Custom Seal End Boxes | Tamper-Evident Packaging | Cubit | Cubit Packaging

Available Finishes

Enhance your Seal End with premium finishes that add tactile appeal and visual impact.

Gloss Lamination

Gloss lamination applies a clear, reflective polypropylene film over the entire printed surface. The film intensifies CMYK color values, making photographs and gradients look sharper and more saturated. Retail toy packaging, snack food boxes, and consumer electronics cartons use gloss lam because the shiny surface catches store lighting and draws attention at a distance. The trade-off is that gloss shows fingerprints and scratches more than matte. Film thickness runs 12-25 microns. The protective layer resists moisture, scuffing, and ink rubbing during transit. Gloss lamination runs through thermal or wet laminating equipment after printing and before die-cutting.

+10% price

Matte Lamination

Matte lamination bonds a thin non-reflective polypropylene film to the printed surface of the carton. The film eliminates glare, slightly mutes color saturation, and gives the box a smooth, flat appearance that reads as understated and premium. Matte lam hides minor printing imperfections and fingerprints better than gloss, which is why cosmetics and luxury food brands default to it. The lamination layer also protects against scuffing, moisture, and ink transfer during shipping and shelf handling. Film thickness runs 12-25 microns. Matte lamination pairs well with spot UV, where a glossy accent on a matte background creates high-contrast visual interest on logos and typography.

+10% price

Spot UV

Spot UV applies a clear ultraviolet-cured coating to specific areas of the box rather than the entire surface. The result is a glossy, raised accent on logos, typography, or decorative patterns that contrasts against the surrounding matte or uncoated surface. The UV coating cures instantly under ultraviolet light during production, which creates a hard, durable finish that resists scratching. Raised spot UV adds a thicker coating layer (10-20 microns above the surface) that you can feel with your fingertip. This finish requires a separate printing plate aligned precisely to the artwork, so setup costs are higher than full-surface coatings.

+12% price

Embossing

Embossing uses a matched set of metal dies to push the carton material upward, creating a raised three-dimensional pattern or logo on the surface. The male die presses from behind while the female die shapes the front face. The depth of the emboss depends on material thickness and fiber direction, typically ranging from 0.5mm to 2mm of lift. Deeper embossing works better on thicker board (400gsm+) because the fibers have more room to stretch without cracking. Embossing works without ink or foil for a subtle tone-on-tone texture, or combined with foil stamping for a raised metallic effect. Heat is applied during the process (120-160°C) to help the paperboard fibers hold their new shape permanently.

+15% price

Debossing

Debossing is the reverse of embossing: it presses a design into the carton surface to create a recessed, sunken impression. The male die pushes down from the front while the female die supports from behind. The result is a clean indentation that catches shadows and creates visual depth without adding any material to the surface. Debossing works well for brand logos, decorative borders, and subtle patterns where the tactile quality matters more than visibility from a distance. Like embossing, depth ranges from 0.5mm to 2mm depending on board thickness. Debossing pairs well with matte and soft-touch laminations where the recessed areas create a contrast texture against the smooth surrounding surface.

+15% price

Die Cutting

Die cutting uses a custom-shaped steel blade mounted on a wooden board to cut paperboard into specific shapes during production. Every box shape starts as a flat sheet that passes through a die-cutting press where the steel rule die stamps out the carton blank, score lines, and perforation cuts in a single press cycle. The die is custom-made for each box design, which involves a one-time tooling cost. Die-cut accuracy runs within 0.5mm tolerance on modern flatbed and rotary die cutters. Beyond standard box shapes, die cutting creates custom windows, thumb-cut openings, hang-tab holes, and decorative shapes. Complex dies with many cut lines cost more due to the additional steel rule bending.

+10% price

Frequently Asked Questions

What is a Seal End box?

A seal end box has both its top and bottom flaps permanently glued shut during production, so the only way to open it is to tear the carton. That visible damage is the whole point: it tells the customer nobody tampered with the contents between the factory and the shelf. Pharmaceutical companies, cereal brands, and frozen food producers use seal end boxes on high-speed automated filling lines because the pre-glued side seam and flat-packed format feed directly into horizontal cartoning machinery without manual setup. The glued construction also gives continuous sidewall support, which improves stacking compression strength by roughly 15-20% over tuck-end alternatives. Products load through a side opening that gets sealed with hot-melt adhesive during filling. Available in SBS paperboard, food-grade cardboard, and white cardboard at Cubit, starting at 100 units.

What materials are available for Seal End packaging?

Seal End packaging is available in SBS Paperboard, White Cardboard, Food-Grade Cardboard. Each material offers different properties for strength, sustainability, and print quality.

What is the minimum order quantity for custom Seal End boxes?

Custom Seal End boxes start at 100 units with full-color printing, custom sizing, and your choice of materials and finishes. Volume discounts apply for orders of 500+ units.

How long does it take to produce custom Seal End packaging?

Standard production for custom Seal End boxes is 8-12 business days after artwork approval. Rush production is available in 5-7 business days for an additional fee. Free shipping on all orders within the continental US.

What products are best suited for Seal End packaging?

Seal End packaging is ideal for Pharmaceutical Products, Food Safety Packaging, Medical Supplies, Security-Sensitive Products, Frozen Food Packaging, Cereal & Dry Goods. The structural design and material options make it versatile enough for products ranging from lightweight cosmetics to heavier food items.

Seal End

Best For:

Technical Specifications

Available Materials

SBS Paperboard

White Cardboard

Food-Grade Cardboard

Available Finishes

Gloss Lamination

Matte Lamination

Spot UV

Embossing

Debossing

Die Cutting

Expert Packaging Guide

Frequently Asked Questions

What is a Seal End box?

What materials are available for Seal End packaging?

What is the minimum order quantity for custom Seal End boxes?

How long does it take to produce custom Seal End packaging?

What products are best suited for Seal End packaging?

Other Box Styles

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