Plastic 100 Gms Product Dimensions: (Front Light : 9 x 2.5 x 5.5 Cm) (Back Light : 8 x 4 x 5 Cm) Packaging Dimensions:17 x 15 x 5 Cm Package Content: 2 Pcs 1. The headlight provides a powerful beam of light.2. The taillight contains 5 bright LED lights and has 7 different modes. Operation 3.5 LED Headlight, Tool-Free Handlebar Mount, 30-40ft Reach, Quick Release Mount.3. Suitable for bicycle, jogging, climbing, baby stroller/stroller, Wheelchair.