Booster Block For K9 Sport Sack

The Booster Block for the K9 Sport Sack Adds 3 inches to any small, medium and large sizes. Worldwide shipping.
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 (7.62 cm). It helps make the K9 Sport Sack experience more comfortable for you and your dog.

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