1[Password Protection] Combination lock box adopts password protection design, 4 digit password protects your product, portable and durable, suitable for storing mobile phones, ID cards, credit cards, money, keys, etc. 2[Waterproof Box] The waterproof storage box is moisture proof and dust proof, keeping your small objects dry and free from moisture. 3[Plastic Material] Lockbox is made of high quality plastic materials, environmentally friendly and durable, and composite materials ensure strength. 4[Cushioning Foam] The dry storage box uses internal cushioning foam to prevent shock, effectively preventing impact damage. 5[Applicable Scenarios] Light weight, small size, compact and portable, easy to carry and store, suitable for daily use. Suitable for camping, boating, fishing, swimming, kite surfing and other outdoor activities.