Healthy Stainless Steel : Our small pill box is made of high quality Stainless Steel material, sturdy and lightweight, rust & corrosion resistant; Healthier and more durable than Aluminum material pill organizers on the market Easy To Carry : This keychain pill holder is equipped with an extra sturdy keyring, easy to attach it to keychains, bags, backpack straps or belts Small Size, Large Capacity : This pill container Weight(with key ring): 1.17 oz , Length: 2.32 inches, Width: 0.57 inches; Great large capacity for daily pill carrying, can hold up to 41 small pills or 2 larger capsules 100% Waterproof Pill Container : This small pill case has a rubber Silicone O-ring to ensure it airtight and watertight enough to keep your pills dry inside; And the screw-cap design keeps the cap securely screwed on 100% Waterproof Pill Container : This small pill case has a rubber Silicone O-ring to ensure it airtight and watertight enough to keep your pills dry inside; And the screw-cap design keeps the cap securely screwed on It's a high-quality portable keychain medication bottle to hold your important pills or small items so that you can take them with you anywhere with no worry about any omissions. You should fill the inner space of the metal pill dispenser with cotton to hold the pills still.So that they don't crash each other into pieces Specifications: Pill box Material:Stainless Steel Pill box Length: 59mm Pill box Weight: 27g Compartment Length: 47mm Compartment Inner dimension:11.6mm*47.5mm Package includes: 1 x Pill box and 2 x spare waterproof O-rings If you have any questions, please feel free to contact us.If you are not satisfied with our products, we provide a replacement or a full refund.