ESS Modular Technology™ allows all lenses to be quickly and inexpensively interchanged. As either single lenses or packs of 50, ICE™ Eyeshield replacement lenses are available in Clear, Smoke Gray, Hi-Def Copper and Hi-Def Yellow. Laser Protective Lenses (LPLs) are also available. Note on Size: These lenses are not compatible with the smaller ICE NARO™ eyeshield--please double-check your eyeshield model before ordering. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.