Made of high quality material, our glass suction cups are sturdy and durable to use. It’s suitable for lifting and moving glass, ceramic tile, granite, marble and more surfaces which are smooth, flat and non-porous. Features: Made of high quality material with high strength, durable for long-term use. Designed for lifting and moving glass. Suction cup features large and thick rubber pad, wear resistant and stable to use, providing strong horizontal suction and vertical suction. Easy to use, with quick release and locking lever for each suction cup. Please keep the rubber pad and surface of the object dry and clean before use. Ergonomic design with comfortable handle, easy to grasp. Please do not use it in construction machinery, human climbing, etc. Applicable to smooth, flat and non-porous surfaces such as glass, ceramic tile, wood board, granite, marble and more. Note: Size and color may be slightly different because of manual measurement and different light conditions, please in