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K9 SPORTSACK - Booster Block
K9 SPORTSACK - Booster Block

K9 SPORTSACK - Booster Block

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Sizing your dog for a K9 Sport Sack® isn't an exact science. If your dog is in between sizes, has a wide body but short in length, or is still growing, the Booster Block fits snuggly in the bottom of your K9 Sport Sack to boost your dog up 3 inches. It helps make the K9 Sport Sack experience more comfortable for you and your dog. 


- Constructed of quality foam
- Removable and washable cloth cover
- Two blocks may be used to lift up to 6"


- XS/S are interchangeable between XS and S sized backpacks
- M/L are interchangeable between M and L sized backpacks