Ultra-Large Large Storage Space ] The outdoor storage case Inside Dimensions: 20.5*10.2*4cm,which is ideal for multiple keys, cameras, passports, wallets, phones, external SSD, power banks, medication, tactical flashlights, multi-tools and perfect for canyoning kayaking. [ High Quality Material ] The waterproof storage case is mainly made of ABS and stainless steel material, anti-rust and wear resistant, durable and sturdy.The inner Protection boot can protect the terms inside from collision and damage. [ Ultimate Protection ] The outdoor key box is a combination of 4 digitally adjustable metal wheel locks,which can provides 10000 combination codes, you can reset your code anytime. [ NOTE ] Do not forget your password, or you have no way to open the key box. [ Waterproof-Sealed Design ] Save and dry, good waterproof performance,can float on the water,it is convenient to use.Stay worry free whenever youre on a boat or kayak Ideal accessory for outdoor activities,nice set for outdoor enthusiasts.