From Chums

The Floating Neo is our popular Neoprene retainer with added floatation capabilities. Filled with closed-cell foam, the Floating Neo will float eyewear up to 35 grams. The lock-stitched ends slip over most size eyewear frames. For a tighter fit, slide the retainer further down your frames.

• Great looking floating eyewear retainer
• Standard flotation, floats frames up to 1.3 oz. (35 g)
• Closed cell foam flotation won't absorb water
• Length: 15"
• Weight without packaging: 0.4 oz.