For Use With Glass Surfaces Only Five Year Warranty & 30 Day Satisfaction Guarantee! Sustainably Harvested 100% Solid Teak Wood Naturally Water Resistant & Durable (Indoor or Outdoor Use) Superior Design -- AquaTeak Has Been Featured in Architectural Digest Magazine. Dimensions: 10" x 10" x 3.5" Weight: 2 lbs This OptiAREA space saving suction teak shower shelf is perfect for either indoor or outdoor use. Each teak shelf holds 20 pounds and includes two built-in razor ports for convenience. Requiring no tools to hang, the suction cups will adhere to all smooth, glass surfaces. This teak shower shelf is handcrafted using naturally water resistant, environmentally friendly teak wood for durability and long-term use.