WHEEL UP Mountain Bike Bicycle Saddle Seat Bicycle Saddle Seat Accessories With Taillights(Black And Red)

1. Material: PVC, high elastic foam material
2. Features: with warning lights, hollow vent design, spring ball design, Feel comfortable
3. Color: black and red, black and blue, black and green, black and white
4. Size: 26 x 20cm
5. Weight: 836g
6. Battery model: 2032 button battery x 2