Regpre
Regpre Acetate Cake Collar Roll, 5 in x 32.8 ft, Clear PET
$13.99
Acetate for Cakes
Acetate for cakes is the clear, flexible strip you wrap around a cake or fit inside a ring so mousse, cream and layered fillings set with straight, smooth sides. The only real decision is height: pick a strip at least as tall as the finished dessert. Shoppers searching this most often open the 5 inch acetate roll for tall layered cakes, then the 4 inch roll. Every roll here is one continuous 32.8 ft (10 m) length of clear PET that you trim with scissors, so one roll covers many cakes.
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Most-clicked pick for this search: 5 in x 32.8 ft clear PET roll, tall enough for layered cakes assembled inside the collar.
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Regpre
Regpre Acetate Cake Collar Roll, 4 in x 32.8 ft, Clear PET
$13.99
4 in x 32.8 ft clear PET roll for standard filled layer cakes and mousse cakes; the listing says strips can be washed and reused.
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Regpre
Regpre Acetate Cake Collar Roll, 3 in x 32.8 ft, 125 Micron
$13.99
3 in x 32.8 ft roll listed at 125 micron, the short width for cheesecakes, single rings and chocolate bands.
What to look for
- Choose by finished height, not cake pan height. Fillings, a mousse layer and a glaze all add up, so measure the tallest dessert you plan to build and go one width up if you are between sizes.
- A taller strip can always stand above a short cake, but a short strip cannot hold a tall one. If you make several styles, the 5 in width is the most forgiving.
- Expect roll curl. The 5 in listing notes the strip keeps a natural curl until a ring, a pan or the dessert itself holds it in place, so fit it inside a cake ring or springform for soft fillings.
- Cut each piece to the cake's circumference (diameter x 3.14) plus about 1 in of overlap, and tape the overlap on the outside so no tape touches the food.
- Keep it cold-side only. These strips are for assembling, chilling and setting; the 3 in roll's listing says outright that it is not heat-resistant and must not go in the oven.
- Peel only when the dessert is fully set. Pull the strip back along the side in one slow motion for the cleanest finish.
Which width of cake acetate do you need?
All three rolls are the same length and all are clear, so the choice comes down to how tall the dessert stands when it is finished. The heights below are a rule of thumb; leave a little strip above the top edge if you plan to pour a glaze or pipe a border inside the collar.
| Strip width | Finished dessert height | Typical use |
|---|---|---|
| 3 in (about 8 cm) | up to about 2.75 in | Single mousse rings, cheesecakes, short two-layer cakes, chocolate bands |
| 4 in (about 10 cm) | up to about 3.75 in | Standard layer cakes with filling, mousse cakes with two or three layers |
| 5 in (about 12.7 cm) | up to about 4.75 in | Tall layered cakes built and chilled inside the collar, desserts with a poured top layer |
Is cake acetate the same thing as PET film?
Bakers use “acetate” as the everyday name for any clear collar film. The rolls on this page are listed as clear PET, described as food grade for contact with desserts. In the kitchen they do the same job: a smooth wall that releases cleanly from chilled mousse, cream, cheesecake and set chocolate. For wrapping technique, lining a ring and peeling without marks, see how to use cake collars.
Frequently asked questions
What size acetate do I need for an 8 inch cake?
Length first: an 8 in round is about 25 in around, so cut roughly 26 in to allow a 1 in overlap. For width, match the finished height: 3 in for a short cake or cheesecake, 4 in for a filled layer cake, 5 in for a tall one.
How many cakes can I wrap with one roll?
Each roll is 32.8 ft, which is about 393 in. At roughly 26 in per 8 in cake that is about 15 collars; for 6 in cakes cut at about 20 in, about 19.
Can acetate for cakes go in the oven?
No. Treat these strips as cold-work tools for assembling and chilling. The 3 in roll's listing states it is not heat-resistant and must not be used for baking in an oven, and the same caution is sensible for the wider rolls.
Can I reuse cake acetate?
The 4 in roll's listing describes the strips as washable and reusable. In practice a strip that has creased or kinked will print that mark onto a smooth mousse side, so reuse flat, clean pieces and replace bent ones.
Do I need a cake ring as well?
For firm, chilled layer cakes the taped strip can stand on its own. For soft mousse or heavy fillings, fit the strip inside a cake ring or springform so the ring takes the outward pressure and the acetate gives the smooth side.
Also searched as: 4 inch cake collar
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