The worlds first safety cover was made of Meycotm Meycolite Mesh material which is still true to this day. Meyco's Meycolite Safety Covers are fabricated using a porous material that allows surface water to drain through leaving most debris on top to eventually dry up and blow away. As a result, your pool is not only safeguarded during the off-season, but does not turn into an eyesore with accumulating debris plus unsightly and potentially dangerous surface water. The material is lightweight (5 pounds/ 100 sq.ft.), yet extremely strong and treated for color fastness to minimize fading when exposed to sunlight. The standard color is Forest Green with Blue, Black, Mocha and Gray available as options.