Functions: High-quality waterproof materials PC PMMA PVC ABS are used in this product to an underwater depth of about 20 meters. Transparent lens design and large bag for easy camera operation and taking clear photos, without affecting the normal use. It also protects your camera from scratches, dirt and water. It will float with the camera if you carelessly drop it into water. Because completely sealed, moisture, dust, mud, sand, snow, grease can not damage the camera, let you shoot and play as you like. Suitable for diving, swimming, drifting etc. Specifications: Material: PVC and PMMA and PC and ABS Colour: transparent black Waterproof Depth: Max. 20 m / 65.6 ft Size: Approx. 17.5 x 19 x 7.8 cm / 6.8 x 7.48 x 3 inches Outside lens size (L x Dia. ): Approx. 14 x 10 cm / 5.5 x 3.9 inches Appropriate lens size (L. x dia. ): Less than 10 x 8 cm / 3.9 x 3.15 inches Suitable for Canon 550D 18-55 / 550D 18-200 / 50D 18-135 / 450 18-55 / 550D 18-135 / 600D 18-135 / 40D 17-85 / 60D 18-200 / 500D 18-200 / 7D 15 -85 / 60D 17-40 / 7D 18-200 / 5DII24-105 / 600D 18-200 / 60D 18-135 Fits Nikon D90 18-105 / 7000 18-105 / D5100 18-55 / D90 18-200 / D80 18-135 / D700 18-200 Weight: approx. 413g Packing list: 1 x Waterproof Camera Case 1 x cleaning cloth 1 x User Manual 1 x Strap 1 x Multifunction Pad 1 x rubber ring shockproof lens 1. Before using this product, please do a waterproof test and check for any damaged parts, especially the seal and surrounding area. 2. After each use, please check the mouth and gasket and avoid any strong bumps and scratches. Don't use it in high temperature. 3. After using it in water, if you want to take out the camera, please remove the gasket and avoid any moisture remaining in the waterproof cover. Please be aware of: