Polar Whale 2 Test Tube Racks Black Foam Storage Rack Organizer Stand Transport Holds 50 Tubes Each Fits up to 12mm Diameter Tubes

Designed to fit test tubes up to 12mm in diameter; Includes 2 holders 50 tube capacity each. Great for storage transport and organization. Made from lightweight yet durable high density waterproof non-scratching anti-rattle non-toxic black foam material. Note: Avoid halogens strong oxidizing agents benzene petroleum ether aromatic and chlorinated hydrocarbons. Easy to clean (can be washed and rinsed top rack dishwasher safe). Each measures approximately 8.5 x 5 x 2 .