Universal Size Bike Helmet Cover High Visibility Bike Waterproof Helmet Cover Adjustable Drawstring Edge for Adult bike helmet cover hat bike helmet cover waterproof Features: WATERPROOF HELMET COVER. Cycling helmet cover made of quality rip-resistant oxford-cloth. Protect your cycling helmet from bad weather, water, rain, fog, dust and snow. REFLECTIVE DESIGN. Reflective material on each side and the front with reflective images increasing visibility during night cycling. High visibility makes more safe while cycling at night. ADJUSTABLE ELASTIC STRAP. Adjustable helmet cover with elastic edge, one size fits most cycling helmets. The drawstring design can better adapt to the size of the helmet, easy to adjust and wear. UNIVERSAL SIZE. One size fits all. Designed with adjustable drawstring in edge, easy to store. Perfect for cycling, road biking, and other outdoor sport. VARIETY OCCASION. Helmet waterproof cover can well protect helmet from wind and rain, dust, easy to clean dirt stain. Specifications: Color: Fluorescent Green 1 Fluorescent Green 2 Blue-1 Blue-2 Fluorescent Green 4 Fluorescent Green 5 Fluorescent Green 6 Fluorescent Green 7 Fluorescent Green-8 Fluorescent Green 9 Fluorescent Green 10 Black 1 Black 2 Size: As Picture Shown Material: Oxford-cloth Weight: Approx. 25g Package Includes: 1 Waterproof Helmet Cover Note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item.