Specifications:- Overall Dimension(LxWxH): 7 7/8" x 2 1/16" x 3 3/8" (20 x 5.2 x 8.5 cm)- Lens Size(LxWxH): 5 7/8" x 3/16" x 2 3/4" (15 x 0.5 x 7 cm)- Strap Length: 11 13/16" (30 cm)- Product: Non-sterile and Disposable- Material: Pvc frame, Apet lens- Expiration: 3 years- Net Weight: 0.11 Lbs (0.05 kg). Package Contents:- 1x Safety Goggle- 1x Manual. Notice: - 1. Please note that this product is non-sterile and disposable, and should not be reused.- 2. Please place it in a plastic bag after use and put it in a waste disposal unit.- 3. Please be careful not to touch sharp objects.- 4. Please do not expose it to strong sunlight.- 5. Please use it at room temperature (0 to 113 degrees Fahrenheit).