1. Material: ABS 2. Size: 15.5x10x10.5cm 3. Weight: about 290g 4. Features: thick material, easy to install, firm and reliable, durable 5. The adjustable nut clamp is easy to install and not easy to slip off 6. There are 4 pieces of silicone fixing pieces on the top of the cup holder, and the feeding bottle can be fixed by putting it in to avoid excessive shaking and falling 7. The clip memory has a non-slip rubber design, which is more stable after installation 8. The silicone gasket is soft and non-slip, not easy to scratch the bottle