Description: Waterproof design protects your helmet from being wet by the rain. Reflective design improves visibility for safer cycling. Multi colors available design allows you to choose as needed. Lightweight design makes it add no extra pressure to your helmet and head. It is constructed of waterproof polyester material. The length of the package size is 16cm, the width is 12cm, the thickness is 2cm. The product is very suitable for outdoor cycling to use. Item Name: Bike Helmet Cover Material: Waterproof polyester Features: Waterproof, Reflective, Tear Resistant Size Details: Package Size: 16cm x 12cm x 2cm/6.3" x 4.73" x 0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bike Helmet Cover (Others Not Included) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store