Ideal for sample transport! Designed to fit vials up to 12.7mm (1/2") in diameter; 100 tube capacity (tubes or vials not included). Great for storage, transport and organization. Made from lightweight yet durable high density waterproof, non-scratching, anti-rattle, 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). Measures approximately 13" x 9" x 3".