❥WHAT YOU GET:1200Pcs---600pcs Hook and 600pcs Loop Coins（Total 600 pairs). The diameter of this kind of sticky back coins is 0.59in/15mm. | ❥STRONG ADHESIVE: Both are made of nylon material and hot melt adhesive with high temperature resistant, very strong self adhesive. | ❥WATERPROOF: Strong adhesive and long lasting, anti-adhesion characteristics, can adapt well in wet environment. | ❥EASY TO USE: The coin is made of polyester and nylon; Back material is plastic film, easy to peel off the sticky coins, saving your time. Reusable and durable. | ❥WIDE COMPATIBILITY: This kind of adhesive back dots can be used for getting items fixed,It can be attached to most of things, especially for smooth surfaces of paper, plastic, glass, leather, metal, etc. Great for s | ❥CLASSROOM MUST HAVE Supplies: The self-adhesive coins are designed for hand crafting, organizing, DIY projects and more, they are must have classroom supplies for every teacher.