Material : Food Grade PP ( polyacrylate copolymer ) Product Size : 9 x 5.5 x 1.6 inches Each Compartment Size : 0.9 x 1.1 x 0.9 inch Expiration : 20 Years User Groups : - Elderly People - Forgetful People - Multiple-medications-taken People - People not taking medicine properly and regularly CAUTION: - Clean before your first usage. - DO NOT wash with a dishwasher. - Keep out of reach of little children. - Keep the product away from high temperature and humid environment.