NO TOOLS No screws. Quick and easy installation. No more holes in your walls. Installation is a snap, just choose a smooth surface, apply the suction cup and tighten the cover by hand, our unique "Twist & Lock" suction technology ensures quick and easy installation. impressive strength, one of the most powerful on the market EFFICIENCY MEETS STYLE - Our premium suction cup technology allows you to easily install this hook, while enhancing the beauty of your bathroom and benefiting from exceptional charging power. The product is made of PVC (stainless steel / chrome effect) giving a very classy look and design. SIMPLE INSTALLATION - 1, choose and clean a smooth surface. 2, loosen the hook two turns in the opposite direction. 3, apply pressure while turning the hook clockwise until fully tightened. CAUTION Designed to be mounted on a mirror above your bathroom sink or other smooth, non-porous surfaces (glasses, porcelain tiles, acrylic/plastic shower panels, stainless steel, quartz, laminate)