
Cake Slice Boxes
Custom cake slice boxes with a stable base and frosting headroom that carry a wedge upright and untouched, with an optional window.
Product Overview
A cake slice box has to carry a single, tall wedge of cake home without it tipping over or smearing its frosting. That is a real challenge, because a slice is top-heavy, soft, and often finished with delicate icing or a decorated edge that ruins the moment it touches the lid. The box needs a stable base that holds the wedge upright, enough headroom that the frosting stays untouched, and a secure close for a one-hand carry. Because a slice is often an impulse or a treat bought with coffee, a window that shows the layers helps it sell itself on the counter. Small as it is, the slice box has to protect the prettiest part of the cake.
Our custom cake slice boxes are built to carry a wedge upright and untouched. In short:
- Stable base that holds the slice upright
- Headroom that protects the frosting
- Optional window that shows the layers
- Grease-resistant board for buttercream and cream
- Secure close for a one-hand carry
- Full-color branding, ships and stores flat
The material is where a box earns its reputation, so we build on six industry-grade stocks: Kraft Board, Corrugated Board, Coated Art Board (C1S), Rigid Greyboard, Solid Bleached Sulfate (SBS), and Metallic Board. Each answers a different brief, eco-friendly kraft suits artisan and sustainable brands, dense greyboard carries luxury rigid boxes, and virgin-fibre SBS gives cosmetics, pharma, and premium retail their crisp finish. Need economical corrugated mailers, or the substantial feel of a magnetic-closure rigid box? Either way the FSC-certified stock we select is made to perform on shelf, in transit, and at unboxing.
How a box is finished decides whether it gets noticed or gets remembered. Choose from soft-touch matte lamination, high-gloss lamination, silk lamination, spot UV coating, gold and silver foil stamping, embossing, debossing, and aqueous coating. Spot UV lays a glossy accent over a matte field so your logo catches the light first. Soft-touch lamination wraps rigid boxes in a velvety texture that signals quality the moment they are handled. And foil stamping on SBS or coated art paper brings the sharp metallic shine that cosmetic, fragrance, and gifting brands lean on to support premium pricing and create unboxing moments worth sharing.
Choose the paper weight and you decide both the hand-feel of the box and how well it holds up through the supply chain. Our range covers lightweight 8pt to heavyweight 28pt on the point system standard among US and UK packaging suppliers. Reach for 8pt–12pt on folding cartons and high-volume retail boxes; lean on the 14pt–18pt mid-range as the everyday workhorse, protective yet economical to ship. When a project calls for presence, 20pt–28pt gives the rigid, substantial feel behind luxury gift boxes, rigid set-up boxes, and premium cosmetic packaging, where the weight of the box telegraphs quality before it is even opened.
Custom Cake Slice Boxes That Carry a Wedge Home Perfect
A slice of cake is one of the trickiest little things a bakery sends out the door. It is tall, narrow, and top-heavy, the softest part of the cake is usually the frosting on top, and the whole appeal lives in a clean profile of layers and a neat swirl of icing. Put that in the wrong box and it tips onto its side, the frosting smears against the lid, and a beautiful slice arrives home looking like a mistake. Because a slice is often bought on impulse to go with a coffee, or taken away as a single treat, the box has to protect that delicate wedge on a wobbly one-hand carry while also looking tempting enough to prompt the sale in the first place. A good cake slice box is small but it has to get every one of those details right.
Holds the slice upright
A top-heavy wedge wants to tip, so we build cake slice boxes with a stable, flat base and a snug fit that holds the slice standing on its bottom edge. That keeps the clean profile of the layers intact and stops the slice toppling onto its decorated side during the carry home. A secure, upright hold is the single most important thing a slice box does, because a slice that stays put is a slice that arrives looking exactly as it did in the display.
Protects the frosting
The frosting on top is the most vulnerable part of a slice, so we design in enough headroom that the icing, swirl, or decoration never touches the lid. That clearance keeps a piped rose or a dusting of cocoa pristine, so the slice looks freshly cut rather than squashed when the box is opened. Protecting that top surface is what preserves the little moment of delight a slice of cake is meant to deliver, which is exactly what the customer paid for.
Handles cream and buttercream
Slices are rich with buttercream, ganache, and cream, which can soak or grease an ordinary box, so we build with grease-resistant board that holds up to a moist, buttery slice. The box stays firm and clean rather than going soft or translucent, which keeps both the presentation and the customer's hands tidy. For cream-based slices we can also build with chilled-friendly materials, so a slice from the fridge case survives the trip without the box sagging.
Shows the slice off
A slice sells on its cross-section, that tempting stack of sponge, cream, and filling, so we offer clear windows that show it off. On a cafe counter or a grab-and-go fridge, a windowed slice box lets the cake itself do the selling and prompt an impulse buy alongside a coffee. Showing off those layers lifts the perceived value and helps a beautifully made slice stand out, turning a passing glance into a purchase.
Easy, secure carry
A single slice is usually carried loose in one hand, so the box has to close securely and be easy to hold. Our closures keep the box shut so the slice cannot slide out or the lid flip open, and the compact shape sits comfortably in a hand or a small bag. That confident, secure carry means a customer can take a slice back to their desk, home, or a park bench without anxiety, which makes the single-slice sale an easy, everyday yes.
Formats and options
Slice service takes a few forms, so we build for each:
- Single-slice grab-and-go boxes
- Tall boxes for layered and gateau slices
- Windowed styles that show the layers
- Chilled-friendly builds for cream slices
- Kraft and fully printed finishes
- Recycled and FSC-certified board options
Branding and sustainability
A slice box is a small daily treat carried through a cafe or office, so it is neat, visible brand space, and we print full color with your logo, colors, and story for a box that markets your bakery with every slice. Because bakery packaging is high volume and increasingly judged on waste, recycled and FSC-certified board, plant-based window films, and water-based inks are available for a greener box. Cake slice boxes sit within our wider bakery packaging range and pair with our cake boxes and dessert boxes for a full counter lineup.
Every cake slice box is built to your cakes and brand. Get a custom quote or browse more across our bakery packaging range.
The brands that refuse to blend in.
Related Products
Packaging that makes customers remember your brand
600+ custom products across 50+ categories, fully customisable, with free design support on every order.

















