Spiderman booster seat (SW11 5)

Booster seat
These are typically intended for:
Age: about 5 to 12 years
Weight: 15–36 kg (older standard, Group 2/3) or, under the newer R129 standard, children from around 100–150 cm tall.
They are designed to be used with the car's 3-point seat belt, not an integrated 5-point harness.