Shells&reg; Version 2 White 22LB Powerful Heavy Duty Vacuum Suction Cups Hooks Hangers Ideal For Home, Work And Travel-- 4 Pack About Shells: concentrate on providing various reliable quality consumer goods with affordable price With strong inner thread lock and high quality natural soft suction rubber could holds up to 22LB. Reusable and waterproof desig.easy to remove, no tools required. Works great on smooth non-porous surfaces such as tile glass fiberglass. Package including: 4PCS white sunction hooks.