This suction cup can be used for laminate flooring gaps fix as floor gap fixer, in a bath for safety, using as tile suction cup lifter, rail when displaying, wake shaping, and moving heavy glass wall, aquarium This suction cup is lightweight but produces great suction and is made from durable plastic cups and rubber suction The heavy duty glass lifter is also easy to use, as you just need to squeeze the two clips to produce suction in the desired handling area The suction cups diameter is 4inch, suction cup thickness is 7mm.And maximum lifting weight is 200 lbs Suction cups are designed in aluminum with dual mechanism produces exceptional suction force Aluminum vacuum suction cups are designed with a construction sturdy and thick rubber cups. When using the suction cup, you should store the cup in clean, dry condition. Features Aluminum Suction Cups -Color:Yellow -Material:Aluminum Alloy -Size: 32.4x11.7 cm / 12.7x4.6 inch Package Including 2 * Aluminum Suction Cups