Aotedo Oversized Suction Reusable Vacuum Review

holde up 30lbs each one,Include 4pcs,Color: Black. Before buying, make sure the installation area is flat, smooth and larger than 3.5*3.5 inch. Because this product is based on the principle of vacuum, it can only be used on flat and smooth surfaces, not rough or Ups and downs surfaces. Suitable for glass, large flat tiles, not suitable for walls, mosaics, uneven tiles. When installing, first turn the nut counterclockwise to loosen the suction cup, and then press the nut on the glass to remove air. Tighten the nut firmly. This way the suction cup will not fall off. Under normal circumstances, it will not fall for 6 months.