Arm Extendable Safety Glasses 36 Pack, Black Frame and Transparent Lens Color, Ultra Lightweight and Durable. Adjustable Temples Fit Over Most People. Material: Polycarbonate Feature: Impact Resistant Sold by case: 12 Pack per case, contains 3 cases. Usually ship orders within 24 hours during the operational week-days. Weekend orders will be shipped out the following working business day, via the most economic shipping services.