Food grade plastic All the pill dispensers are made of food grade PP, which is BPA free, safe for for medical use. Do not wash the pill cases with hot water as they are made of plastic, may out of shape slightly. We suggest customer replace their meds containers every 6 months. Hard and strengthened technology. It's quite easy for the old to open the compartment and could secure your pills at the same time. No worries about unwanted dumpage of pills found by pets and kids for your slightest unintentional or incidental touch on the pill planner. Ideal for Pill Storage Qunweidi pill organizer is ideal for sorting tablets up to to 7 days in advance. This pill minder is quite portable if you're traveling or on-the-go. For the on-the-go people, pack your vitamins and anything else you need into this quilt-covered case. So you choose our cute pill organizer is the best choice.