Waterproof Eyeglasses Case Hard EVA zipper is made from EVA a synthetic rubber like material, fits most size glasses, ultra lightweight that adds minimum bulk and weight while on the go or carrying around. A carabiner style key chain clip conveniently attaches the eye wear case, you can easily attach it to a belt loop, a backpack, tote bag, or even take it on and off the slacks with just one clip. Suitable for outdoor activities such as swimming, hiking, biking, or skiing, or even your daily commute. Customize the label with your company, organization, school, or club name, logo, organizational message. 6 1/2" L x 3" W x 2 3/8" H