Backing material: plastic film, easy to peel off, saving your time Stronger and longer lasting adhesive, these pieces are perfect for smooth surfaces Add them to your arts and crafts supplies. Great for school, special education projects, organizing at home, office, etc. These hook and loop pieces can be attached to most things, including laminated paper, fabric, craft sticks, suitable books and so on Suitable for use in home, bedroom, kitchen, office, school and workshop, etc. Suitable for smooth surfaces, walls, plastics, glasses, etc. Leaves no remnants after tearing off from smooth surfaces Self-adhesive: The round tapes are made of nylon with adhesive glue on each back, which are durable and adhesive, strong enough, suitable for sticking on flat and smooth surfaces. Easy to Use: The loop strips are easy to peel off from the paper roll and stick to the desired place in your work, study and daily life, whenever and wherever you need, these strips can work and help. Widely Uses: The self-adhesive dots are a useful choice for home, office, school and so on. They can be used to hang posters, charts, maps, etc. Specifications: Color: White Diameter: 20mm Material: Nylon, Glue Quantity Sold: 240pcs