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A blue pet backpack and black booster block
4 booster block on different sizes
a man on the woods putting a booster block inside an orange backpack on a dead tree

K9 Sport, Booster Block

Regular price $ 12.95 $ 9.95

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!


  • Constructed of sturdy, quality foam
  • Removable, washable cloth cover
  • Use two blocks for a 6" lift


Find your perfect fit here:

FREE SHIPPING on all orders $75 and over!