Package includes: 2 pill boxes with 8 compartments (dimensions 4.3"x3.1"x1.2") and 2 pill boxes with 3 compartments (dimensions 3.1"x2.2"x1.2"). Different travel size pill boxes to meet your needs for storing or carrying a variety of pills. PREMIUM MATERIAL: Our travel pill organizer is made from high quality grain fiber and food grade polypropylene, BPA free, durable and sturdy, perfect for medical use and pill storage. TRAVEL PORTABLE: All 4 pack pill organizers, portable travel size, just put them in your purse, pocket, backpack or suitcase so you can easily carry your pills and never forget to take your daily medicine, your vitamins or your fish oil. SECURE DESIGN: The safety lock can keep the pill box tightly closed, even if your pill box accidentally falls on the ground, it still stays tightly closed. Moisture-proof design: There is a thick silicone ring around to keep your pills away from moisture and dust, so you can take fresh pills every day and say goodbye to wet pills.