Quantity: 2 suction cups per pack, our suction cups are attached with a viscous gel base, which means that they have stronger holding power and suction power Note: Camping tent sucker can only provide a very strong grip on a smooth surface, no air can enter Multifunctional: Car tent suctions can be glued to smooth fiberglass surfaces, such as glass, boats, SUP, cars and camping Function: Car window suction cup is very suitable for fixing applications without fixing points, splints or other equipment to fix traditional fixing devices Powerful: The sunscreen canopy fixing will work in a cold or hot environment, and it will last for a long time, and it will not fall off until you take it off Description These car tent suction cups can indeed stick and hold well on smooth surfaces (such as cars or glass), but if the surface has any texture, any plastic surface suction cups will not stick. If air can enter, the suction will not be maintained because it relies on creating a vacuum. Features Car tent suction -Color: Black. -Material: Plastic,PVC,webbing. Package Including 2 * Car tent suction