【Core Material】47 Bontex 0.8mm Thick, Adhesive Backing 20cm x 30cm, Set of 5 This slightly stiff material is used for items where you want to create a shape, such as handbags. Thickness: 0.8mm, Adhesive backing applied. Bontex is a pulpboard impregnated with synthetic rubber or natural rubber, ideal for insoles. 47 Bontex is a type with a moderate rubber content, offering both firmness and flexibility. 20cm x 30cm, approximately A4 size. Due to amateur cutting, there may be slight size variations or imperfections. Although unused and new, this item is being sold after being cut, so the condition is set to "Like New". Shipping will be done as quickly as possible. Please refrain from price negotiations.