COOLBABY YLY2041 Premium Core Muscle Training Device with Automatic Rebound high chairs for babies and toddlers 5 STACKABLE TRAYS-Each layer has

5 STACKABLE TRAYS-Each layer has a size of 270mmX270mm and a height of about 45mm

water cooled

Adjustable Height: Telescopic combination rod with 4-level height adjustment

Drum/Hydraulic Disc Brakes: This model features a reliable combination of drum brakes in the rear and hydraulic disc brakes in the front for optimal braking performance and safety

Extended Size: Larger at 42*38 cm

COOLBABY YLY2041 Premium Core Muscle Training Device with Automatic Rebound high chairs for babies and toddlers 5 STACKABLE TRAYS-Each layer hasFeatures: High Quality Materials: Stable design with rubber wheels crafted from premium materials. Automatic Rebound Function: Built in rebound function for resetting during abdominal workouts. Effectively protects muscles, preventing sports injuries. Silent Bold Spring: Mute thick spring with multi turn design for stability and silence. Rubber covered spring manages rebound force effectively. Ergonomic Sponge Handle: Abdomen roller features a