With Lens-Locker, your glasses (or sunglasses) have great protection against the hazards of travel, which are too numerous to list. Much tougher than ordinary hard glass cases, the Lens-Locker is the toughest optic case we've found. Made of super strong polycarbonate, Lens-Locker has a soft, synthetic felt lining and foam endcaps to gently cradle and protect your lenses. Carabineer allows for easy and quick attachment to pack or belt. Weatherproof seal heals keep dust and elements out. Great protection for glasses in everyday life, too. Black. 1 1/2 x 2 3/4 x 6 3/8 inches. 4 ounces.