60 pieces (30 pairs, 30mm) Round Velcro Stickers, 30mm Round Adhesive Hook and Loop Fasteners for Paper, Plastic, Glass, Leather, Metal, and Clothing

30 Pairs of Nylon Pins: The diameter is approximately 30 mm, and the package includes 30 hooks and 30 loops, 15 pairs in white and 15 pairs in black.

Quality Materials: The flat pins are made of polyester and nylon. Strong, sturdy, durable, and easy to apply. They can be removed gently without damaging the surface or leaving any residue.

Simple and Convenient: Just cut the protective film on both sides and stick them anywhere. (Use after 48 hours of application.)

Wide Application: These sticky pins with adhesive backing are suitable for smooth surfaces such as plastic, glass, metal, wood, etc. Ideal for DIY projects, crafts, educational hanging projects, posters, charts, diagrams, etc.

Improved Effect: These loops and hooks are sturdy, so they can hold more books.