This Large suction Cup with a strap is made from solid materials.Large size without glue. High strength, durable, wear-resistant, not easy to break, strong adhesion, good anti-skid effect. Suitable for most non porous smooth. It's the perfect tool for travel or home. No need to punch when using.When using, press the suction cup, close the pressure switch and lock the suction cup. When removing, open the pressure switch and cover the cover to prevent dust for repeated use. It is recyclable. The heavy duty suction cup can Carrying Load Up to 30 kg, and the service life of suction cup accessories is especially long on smooth, dry and clean surface. Please do not use on uneven and rough surface. Peeling off wall paper, wall cloth, plaster wall is not available. Our suction cups are perfect for smooth, clean surfaces such as glass, boats, cars and campers use suction cups to tie tents and tarps to cars and trucks. It can be washed with water and reused. In addition, the suction cup can be used in the kitchen and bathroom. Suction cups are versatile when you can also use them to hang a pet leash (for small pets).Package Includes: 2 pcs or 4 pcs Suction Cup Anchors.