styles as picture show for your choice. (The size of is slightly different depending on the shape. Pls refer to the actual product.) Characters: Very cute contact lens case and it is convenient and easy to carry. Instructions for use: 1.Double box and tweezers should be rinsed clean with water before and after use. 2.Injecting some contact lens care solution into the double box, then store the lens (pls note that the lens is placed in the box, do not place it on the edge of the double box) and tighten the lid. 3.Ophthalmologists recommend that contact lens case be replaced per 3 months.