Chums Glassfloat Classic Sunglasses Retainer - Since being introduced in the early 90's the Glassfloat Classic has been a fan favorite and a best seller. The Glassfloat Classic fits most frames and will float up to 45g (most sunglasses fall under this mark). Comfortable, durable and quick-drying the Glassfloat Classic does everything you want it to. Features Foam-filled soft woven polyester Adjustable slider for snug fit Fits over most frame styles Standard flotation - Floats frames up to 1.5 oz. (45 g) Length: 14.5in Weight without packaging: 0.4 oz.