STRINGERZ ™ Most buoyant FloatEyes Inc. eyewear retainer. Adjustable soft foam retainer is coupled w/knitted cloth to create an entirely fabric retention device. Slide earpieces into fabric-lined holes for secure & comfortable fit to most eyewear. Buoyancy Level 5: Floats up to 5 oz. of plastic frames or 3 oz. of metal frames. ASSORTED SIX PACK BLK, RD, RYL BLU, DRK PURP, NEON PNK, NEON YEL