Color: transparent. Material: Soft PVC. Dimensions: 20 mm. This item is a set of 36 double-sided suction cups. These double-sided suction cups are ideal as shock absorbers for transporting sheets of glass, mirrors, etc.</ Hold items securely while separating and cushioning parallel surfaces in a horizontal position. Clings to glass, mirrors and other non-porous surfaces. Perfect for a variety of home and office tasks. Premium Material: They are made of soft eco-friendly plastic - PVC. The diameter of the double-sided suction cups is 20mm. Durable and reusable: If the suction cup is deformed or the suction power becomes weak, put the suction cup in hot water for 6 minutes, it will recover and become stronger. Ease of use: For best adhesion, it is recommended that the surface be completely clean and dry. The smoother the surface, the higher the absorption. It is not easy to change to white, which is very ornamental. Scope of application: Flat, smooth and clean surfaces. Such as glass/marble/tile/crystal/wood/metal/plastic/tile/other smooth surfaces. Suitable for fixing soap dishes. Handmade ornaments, especially suitable for festivals. Hang matching posters and small window lights during the holiday season. Protects fragile surfaces: They protect and insulate glass and mirrors during transport as they prevent them from moving and absorb shocks. They are ideal for use as shock absorbers for transporting glass and mirrors etc.