Specifications：
Maximum payload: 4~5 kilograms (per)
Color: Black
Material: ABS
Damping blade material: Silica Gel
Size: about 7 x 12.5 x 5.5 cm 
Total weight: 75g/130g

Pay special attention to:
Please do not install it in one place, which may affect safe driving.
Please do not install it in the child's seat.
No fragile items, please. This may be due to rapid drive.
Please don't pull the product too much.