Croakies Lycra Suiter Floater - The Lycra Suiter Floater is made of non absorbent lycra and closed cell foam. It has a level 1 CFF which will float smaller plastic frames 40-60 grams and smaller metal frames 20-30 grams. The Lycra Suiter Floater is one of the smaller lightweight eyewear floatation products, which makes it a good combination of bouyancy and comfortable wearability. The soft slider foam ring can be snugged tight to your head for even greater eyewear security in action situations.non absorbent lycra fabric and closed cell foam, soft, closed cell foam slider 28" long and 1/2" wide