Suction cups size: each suction cup head is mushroom shape, and 45mm in diameter, suitable size for hanging items, light color Suction cups material: made of PVC plastic material, very soft, convenient to use, have strong suction, not easy to fall off, can meet your different hanging needs Applicable surfaces: you can vacuum them on a clean, dry, smooth surface to hang things, such as glass, windows or mirrors, please hang on the smooth surface Widely Used: These suction cups not only for daily home uses, but also for holiday decoration, home projects organization, hanging handmade crafts, especially for festivals Easy to stick or remove: Keep the surface clean, dry and smooth, stick it on easily; To remove the cup, simply break the suction off the edge of the cup .