The JIEJUN Kennifer Polarized Sunglasses aremade of plastic. The polarized lenses reduce glare. They are good for outdoor sports and driving.There is 400UV protection from harmful UVA/UVB rays. The sunglasses arrived in a gift box. There is an extra coating on the lenses so they will not scratch. The arms on the sunglasses are comfortable to wear and are sturdy. They also look attractive when they are worn. #Rank Booster Review , #Sponsored ii, JIEJUN Kennifer Polarized Sunglasses, https://www.amazon.com/Polarized-Sunglasses-Driving-Glasses-Protection/dp/B078ZBN4C9