HEAVY DUTY POWERFUL SUCTION CUP - Maximum hold up to 22 LB - Our suction cup for this no-drill shower shelf uses exclusive patented technology suction cup design principle. This bathroom shower shelf can hold up to 10KG / 22LB. Suction cup shower caddy can firmly stick the wall for 1000 days without falling off. EASY INSTALLATION AND ANTI-DAMAGE - The suction cup bathroom organizer can complete the installation in ONE second. Just press the “Push” hook with the palm of your hand, and you can successfully install it after hearing a “puff” sound. Please clean the wall before installation. UNIQUE VENTILATION AND DRAINAGE DESIGN - This bathroom shelf bottom is slanted design (-6° tilt). The combination with the hollow bottom design can effectively drain excess water, prevent standing water and keep your products dry. MULTI-PURPOSE - The wall-mounted shower caddy can be installed in kitchen, bathroom, balcony, bedroom and office, for storing shampoo, conditioner, soap, kitchen utensils,