Description: WATERPROOF DESIGNWith waterproof coating and inner silver coating, which is more waterproof, resistant to dirt and water, rain, dust, wind and snow, better protect your backpack. WITH REFLECTIVE STRIPThe backpack rain cover is designed with a large reflective strip, making you more visible at night and safer at night. DURABLE MATERIALIt is made of strong tear-resistant thickened polyester taffeta material, thick binding, reinforced binding, high resistance to tearing. PORTABLE SIZELightweight design, can be folded, easy to carry, use with you, easy to store, light and practical, use anytime, anywhere. SUITABLE OCCASIONSSuitable for a variety of environments, can be used for mountaineering, tourism, river tracing, fishing, cycling, beach and so on, suitable for outdoor use. Specification: Material: silver-coated inside(water pressure 1500), water-repellent cloth surface, 190T polyester taffeta Color: orange, grass green, blue Size: XS, S, M, L(cm/inch) Size backpack height backpackwidth backpackthickness fabric size(height x width) suitable capacity XS 34-39/13.39-15.35 25-28/9.84-11.02 15-18/5.91-7.09 74x56/29.13x22.05 15-25L S 45-52/17.72-20.47 28-37/11.02-14.57 15-18/5.91-7.09 84x64/33.07x25.20 30-40L M 52-60/20.47-23.62 32-37/12.60-14.57 18-22/7.09-8.66 91x71/35.83x27.95 40-50L L 60-70/23.62-27.56 32-37/12.60-14.57 18-24/7.09-9.45 105x80/41.34x31.50 55-65L Package: 1 pc x backpack rain cover Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.