Clear double sided suction cups are made of silicone material which is flexible for you to stick them easily to any smooth surface such as glass, window, marble, mirror, etc. Firmly stick on your table, keep glass from sliding and scratching on your tabletop. Features - ColorTransparent - Material: Silicone. - Size: 2.00X2.00X1.00cm/0.79X0.79X0.39inch. - These suction cups are made of silicone material, resistant to pressure and abrasion, anti-drop and no deformation. - Can be easily fixed, bringing you much more convenience in the daily life. - They can be absorbed to the glass tops well to realize the anti-slip function. - No need other tools and they are easy to be installed on the surface between the glass table. - Lightweight and mini sizes, convenient carrying and storage, taking up no much space. Package list: 12 x Double Sided Suction Cups