Apontus Kayak & Canoe Carrier Dolly, 150 lb Capacity Works great for kayak or canoe Provides stable support on uneven terrain | Aluminum tube construction for lightweight and rust free Inflatable 9-1/2" rubber tires | Quick assembly, only wheels need to be attached Built-in 8-1/2" tall spring-loaded support stand | Folds to save space 4 (4qty) Foam bumpers to protect the boats hull | 12 foot long quick release tie-down strap