Custom Bath Bomb Boxes

Why a round product needs an insert

A sphere touches a flat box at only a few points, so without a cradle it rolls, chips and sheds powder.

A bath bomb is pressed powder held together by very little. Put one loose in a square carton and every knock in transit chips the surface and leaves dust in the box. A simple card insert with a round hole, or two slotted card pieces that cross under the bomb, holds it at the equator so it cannot move.

For sets, a tray with a row of round cut-outs does the same job for three, four or six bombs at once. Handmade bombs vary in size more than moulded products do, so send us the size of the largest one in the batch and we cut every hole to fit it.

• Cradle holds the bomb at its widest point
• Set trays need one cut-out per bomb
• Size the hole to the largest bomb

Keeping moisture away

Moisture is what ruins a bath bomb before it is used, so most are wrapped before they go in the box.

Citric acid and bicarbonate start to react with humid air, which softens the surface and can make the bomb fizz or swell in storage. That is why most bath bombs are shrink-wrapped or bagged first and then boxed, with the box giving shape and branding rather than an airtight seal.

If the bomb goes in unwrapped to stay plastic-free, a tight-fitting carton with closed ends and a coated board slows moisture down, but storage conditions matter more than the box.

Showing colour through a window

Bath bombs sell on colour and shape, so a window or an open-top cradle is common.

A small round or square window lets a shopper see the colour, swirls or embedded petals without opening anything. On a cube carton the window usually sits on the front face, lined up with the centre of the sphere so the bomb is framed rather than cut off.

Keep in mind that a window lets in light and air, so a film patch behind it is worth keeping if the bomb is not wrapped.

Fitting the label text on a small cube

Ingredients, weight and use text all need a place, so plan the back and side panels for them before the front.

A bath bomb box usually carries the ingredient list, the net weight, the maker's details and a batch code, and often use and warning text, for example about eye contact or slippery baths. On a small cube carton that text competes with the design, so we lay it out on the back and sides first and show you how it reads on the proof.