Limited Quantity: Helmet with Rear LED Light Ride safely at night ■ Product Specifications Size: 29*22*15cm Head Circumference: 54-62cm Color: Blue Black Weight: Approximately 210g ■ Material Uses excellent shock-absorbing EPS foam ■ Ultra-lightweight & Comfortable Weighs only about 210g, an ultra-lightweight design. The inner cushion is washable, maintaining a comfortable fit. ■ Excellent Ventilation 18 ventilation holes in the front/rear/sides/top. Allows wind to pass through from various angles, preventing stuffiness and providing a comfortable fit. ■ More User-Friendly Features (1) Easy fit with size adjustment dial (2) Easy to put on with one-touch buckle (3) Easy to remove! With visor ◆ CE Mark Product for Peace of Mind ◆ A conformity mark only affixed to products that meet the safety standards of all EU member countries. Clears the strict standards of Europe, a cycling-advanced country. ◆ Perfect for Outdoor Activities ◆ Cycling, MTB riding, rollerblading, downhill, kick scooters, and hoverboards ※ The visor is detached and stored inside. Please insert it into the two holes on either side when using.