Car cup holder base, in different shapes with crystal stone on the edges

Shock and noise resistant, no bumps when driving, no abnormal noise caused by tax ticket. Environmentally protective products, no smell, no pollution. Strong absorption capacity. Flexible design ideal for placing cups. Does not leave any marks, reusable, dirt can be cleaned. Made of silica gel and rhinestone. The non-slip ship is non-slip because the back of each coaster has a non-slip design. The ship is waterproof and dustproof, so the cup holder opening in your car will not get dirty and keeps it clean. 4 insulated coasters can be replaced and cleaned, keeping the cup holder clean and non-sticky. Specifications: Material: soft rubber (environmentally friendly plastic). Size: 7 centimeters / 2.76 inches x 7 centimeters / 2.76 inches x 0.5 centimeters / 0.19 inches.