Get the perfect fit with the K9 Sport Sack® Booster Block! It's no exact science - if your pup's between sizes, wide but short, or still growing, the 3" (7.62 cm) block creates a snug base that makes your and your pup's ride more comfy. Plus, it's made of sturdy foam with a removable, washable cloth cover, and you can use two blocks for a 6" lift! Features Constructed of sturdy, quality foam Removable, washable cloth cover Use two blocks for a 6" lift Sizing Find your perfect fit here: Recommended Uses Navigating crowded places, airports, and busy sidewalks with ease Protecting your back while helping larger pets into cars or up stairs Homes with multiple pets or limited space Everyday walks, vet visits, and car trips Care & Maintenance Lubricate wheels and folding mechanisms occasionally for smooth operation. Vacuum fabric surfaces regularly and spot-clean spills promptly. Wipe down frames and fabric with a damp cloth after muddy outings. Let everything air dry fully before folding or storing to prevent odors. Frequently Asked Questions Is the K9 Sport, Booster Block right for my pet? Check your pet's size and needs against the specifications listed above; the detailed measurements above will confirm the right match. What if it doesn't work out for my pet? Review the store's return policy at checkout, and reach out with any sizing or fit questions before ordering. How do I clean and care for it? Follow the care instructions above - regular cleaning keeps it hygienic, looking its best, and safe for daily use. About K9 Sport Sack K9 Sport Sack is the original forward-facing dog carrier backpack, with more than 1 million sold worldwide. Each carrier is sized by your dog's back length and weight class, comes with a 1-year warranty, and is engineered with breathable, weight-distributing designs so you and your pup can adventure together safely and comfortably.
