Dry Box Waterproof for Kayak & Boat: Dry box keeps your phone and valuables dry, perfect for kayaking, boating, fishing and water sports for fisherman and outdoorsman. Waterproof Box Dimensions: Interior size with rubber padding: 7.7 x 3.7x 0.7 inch; Interior size without rubber padding: 8.3 x 3.9x 0.8 inch; exterior size: 9 x 5 x 1.9inch, weighs 342g, convenient to carry. Waterproof Dry Box: Rubber seal around top clear lid and sturdy latch closure, airtight to keep water out. Wrist strap can prevent dropping and stainless steel hinge joint keeps items safe. Utility Container: High strength engineering ABS plastic and glassfiber proven to be impact resistant, crushproof (withstand 1000kgs), dustproof and shock resistant despite knocks. Watertight Storage Box: Detachable rubber bumper pad lined on the bottom and sides can protect stuffs from collision and damage. Excellent waterproof performance, can float on the water. Waterproof Box