Size Reference: The adhesive foam sheet roll measures 2mx30.5cm/ 78.7x12 inch, 5mm in thickness. You can cut them into the size and shape you want according to your actual need High Density Foam Sheet: Dust proof, shock-absorbing, sound and heat insulation, anti-skidding and insulating; Easy to use, provides an excellent weather seal with good durability Strong Self Adhesive: Strong sticky backing foam board, nonslip and non-degumming, simply stick in place for lasting effects. And it can be used for a long time Wide Application: Widely used in upholstery foam, furniture, packing, rug, cushion, drawer, cabinets; Also can be used for art craft supplies, paper scrapbooking, cosplay, Halloween card Easy to Use: A must-have item for all craft lovers, these great quality foam sheets is 5mm thick allowing you to easily cut, fold and sew as well as being sturdy to keep your finished item in shape