Designed to fit vials up to 13mm in diameter; Includes 2 holders; 96 vial capacity each (vials not included). Great for storage, transport and organization; Each holder has 96 holes (13mm diameter each). Made from lightweight yet durable high density waterproof, non-scratching, anti-rattle, white 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 9.5" x 6.25" x 1".