Replacement "Balloon/Beach" tires. Sold in sets of two. Fits Malone MPG521-S, MPG522-S, MPG564-S and MPG576-S carts.
Amazon.com : VEVOR Beach Fishing Cart, 51.2"L×25.6"W×31.5"H Fish and Marine Carts w/ 500lb Capacity, Rod Holders & 10" Big Wheels Balloon Tires for Sand, Heavy-Duty Aluminum Pier Wagon & Rolling Trolley, No
Amazon.com: CRESTWALKER Heavy Duty Foldable Beach Cart with Big 13" Balloon Wheels for Sand, Folding Buggy with Large Polyurethane Tires : Toys & Games
12 Inch Sand Pu Inflation Tire Balloon Wheels for Pvc Beach Cart Wheels
VEVOR 2-Pack Beach Balloon Wheels 9 in. Cart Replacement Sand Tires PVC for Kayak Dolly Canoe Cart and Buggy
Large Heavy Duty Beach Cart with Big Balloon Wheels for Sand - Easy Roll Buggy Beach Cart - Walmart.com
Folding Beach Cart with Balloon Wheels, Rolling Cooler Dolly with Big 13 Inch Large Sand and Beach Tires (White)
VEVOR 2-Pieces Beach Balloon Wheels 13 in. TPU Cart Sand Tires w/32 in. Stainless Steel Axle and Free Air Pump for Kayak Dolly STLYCDZCBDD124PPJV0 - The Home Depot