Description: With six modes tail light design, the bike saddle offers obvious warning for safe cycling. Bike seat front sides narrow design allows thighs moving freely in riding, won't rub thigh. There is shock-absorbing steel bow under the cushion, which provides stable support on riding. Made of high quality material, the bike saddle is wear resistant, sturdy and durable. The length of saddle is 25.5cm, the width of saddle is 16cm, the width of saddle is 5cm. Practical seat cushion is suitable for MTB, road bikes, mountain bikes, folding bikes, and so on. Item Name: Seat Saddle Material: Steel,PVC,Polyurethane Voltage: 3.7V Capacity: 60mAh Battery: Build-in Battery (Included) Taillight Mode: Six Light Modes Taillight Charging Time: 1-2 Hours Taillight Standby Time: Always Light about 3 Hours, Quickly Flashes about 5 Hours, Slowly Flashes about 6-7 Hours Application: Double Rail Seat Tube, Clamp Spring Features: Ergonomic Design, Shockproof, Breathable Size Details: Size: 25.5cm x 16cm x 5cm/10.05" x 6.3" x 1.97" (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 Seat Saddle with Tail Light 1 x USB Cable