Gomadic Waterproof Camera Protective Bag suitable for the Canon Powershot SD850 IS - Unique Floating Design Keeps Camera Clean and Dry Take pictures or shoot video underwater! Ultra clear front and back windows lets you use your buttons and screen as normal. Built using advanced TPU material that is considerably stronger than competing vinyl based models. Comfortably designed to accommodate 90.4 x 57.6 x 26.5 mm. Easily fits the Canon Powershot SD850 IS camera. Gomadic Case will safely float if dropped, simply leave a pocket of air for flocation inside the case. Ideal for all environments which could be hazardous to the camera operation including: the beach, waterparks, swimming pools, boating and more.