EzyDog Convert Harness Trail-Ready Saddle Bags for Dogs TURN YOUR CONVERT HARNESS INTO A FUNCTIONAL DOG BACKPACK - Our Trail-Ready Saddle Bags quickly and easily attach to your Convert Harness (sold separately) to construct a versatile dog backpack system. SET INCLUDES TWO SADDLE BAG PACKS - Each with a quick and secure attachment system to give you two fully removable Saddle Bags for your EzyDog Convert dog harness. You get all the practicality and trail readiness of the Convert Harness plus cargo capacity. SECURE EASY ACCESS STORAGE - Each bag is designed with two roomy securable compartments with waterproof zip closures. Plus, an easy-access outer pocket for storing items you need quickly. SUPERIOR DESIGN & MATERIALS - We build each Trail-Ready Saddle Bag from strong durable ripstop material with waterproof zippers. We also added reflective piping for visibility and added safety in low light conditions. TWO SIZE OPTIONS - Our SMALL size Trail-Ready Saddle Bags fit the Small and Medium Convert Harnesses and the LARGE size Trail-Ready Saddle Bags fit the Large to XX-Large Convert Harnesses.