Healthy Material. Made of high-quality waterproof ABS + PS material, food-grade plastic, 100% BPA-free to ensure your safety. High-temperature resistant, dustproof, waterproof, moisture-proof, lightweight, non-toxic, and easy to clean. Small Size. The slim and portable design takes up less space, making it easy to carry and fit in a pocket or bag. Very suitable for hunting, fishing, camping, adventures, outdoor activities, and other outdoor pursuits or household use. Perfect Storage. The pillbox has 4 compartments; you can place tablets, capsules, fish oil, and vitamins, depending on the size of your pills. It has a lock button, very easy for anyone to open, but it won't open automatically to keep the medication inside. Sturdy and Durable. Thanks to its robust plastic construction, it won't break even if dropped and keeps your pills organized. It effectively protects against moisture and oxidation, and is airtight and waterproof. This box can be used for several years unless deliberately damaged.