Size: about 3.5cm Material: waterproof and transparent - The sticker material is upgraded, so it can be peeled off without residue. - Waterproof material is attached to the kettle, helmet... very suitable. - The white ink is applied to the sticker, even if it is attached to a dark object, it is not necessary to be afraid of the sticker. - The sticker is only waterproof but not heat resistant~ - Each sticker is hand-cut and cannot be the same size. - The picture and the actual product may be slightly different due to the lighting when taking pictures. Please let the buyer know. - A pack of 24 pieces, not for sale.