compartments are large enough to hold 6 capsules plus a few more smaller pills; each day, with (morning/noon/ and night compartments) is a removable container, if certain days need to be removed to take with you. Plastic is plastic and this seems durable, but who knows how long plastic containers can last. The plastic seems very sturdy, not thin or cheap, and the lids snap very securely. The vendor enclosed a card saying that if the customer is not happy, they are not happy. So, in summary, greaSee full review