These are Inflatable Big Wheels by Du-Bro.
FEATURES:
Realistic Bolt-Together Hubs Smooth Inflatable Tires Positive Seal Air Valve
YOU WILL RECEIVE:
Two Wheels Two Wheel Covers Two Collars Two Wheel Cover Screws One Air Valve
REQUIREMENTS:
Air Pump
SPECIFICATIONS:
diameter: 5.5" width: 2.1" (approx)
COMMENTS:
Replacement Air Valve (DUBQ0809) EEW 3/28/02 ir/kh &