PACKAGE INCLUDED: 4 Pairs (2 Pairs Clear and 2 Pairs Gray)Side Shields for Safety Glasses., SOFT TPU MATERIAL: Our safety glasses side shields are made of soft and flexible TPU polyurethane. Environmentally-friendly and Non-toxic. Provide comfortable protection for eyeglasses and eyes., EASY INSTALLATION: Easy on and easy off. Wears through the Single Hole, No parts or tools required., FITS MOST GLASSES: Universal side shields that fit Medium to Large eyeglasses with the spectacle frame arm width above 10mm. It could cooperate with most protective eyeglasses and ordinary eyeglasses., GOOD PROTECTION: Comfort cushions allow custom facial fitting that minimizes injuries from windblown particulates. Blocks 100% of U.V. Absorbs the energy of the impact. Meets ANSI Z87.1 High Impact Requirements and OSHA 29CFR1910 requirements.