Maybe one of these similar products would be of interest:-
VEVOR Mechanic Stool Creeper Seat 300/250lb Rolling Shop Stool with Tool Trays
VEVOR Mechanic Stool Creeper Seat 300lb Rolling Shop Stool with Tool Trays
250LBS Rolling Shop Stool Mechanics Garage Stool Adjustable Work Seat Creeper
Rolling Shop Stool 300 LBS Mechanic Garage Stool 18-23" Work Chair w/Round Tray
300LBS Rolling Shop Stool Mechanic Chair Stool Rolling Garage Stool w/Short Back