[High-quality material]: The small medicine box of this medicine box is made of stainless steel as a whole, with healthy materials, high hardness, light weight, mini size, and a more fashionable unique design. No longer worry about falling or collision in daily activities or sports activities [Size and weight]: Compact medicine box 0.28 ounces (7.8 grams) / inner diameter: 7.85 millimeters (0.31 inches), total length: 53 millimeters (2.09 inches), medicine box length: 26 millimeters (1.05 inches). Please confirm whether this keychain medicine box is suitable for your pill before purchasing. [Leakproof and Firm]: The nut of the pill holder has a rubber O-ring, which provides sufficient airtightness and watertightness to keep the pills inside safe and dry during vacation, travel, camping or any outdoor activities. The pill organizer is made of high-quality aluminum alloy instead of plastic, and the travel pill organizer can fully protect the pills inside. Easy to Carry: This pocket pill