Your pup that is growing will love the K9 Sport Sack Booster Block!

• Removable cloth
• Quality foam
• Built to last
• Removable, washable cloth cover

Why We Love It:

The Booster Block is an inset for the K9 Sport Sack which adds 3 inches of height for shorter, thicker dogs, growing dogs, or dogs that just need a boost in their current size. Made of high-quality foam and removable, washable cloth. Booster block size correlates with the size of K9 Sport Sack. The Booster Block is designed to be a tight fit in the K9 Sport Sack to ensure a snug and sturdy fit while in use. 

Sizing:

XS/S are interchangeable between XS and S sized backpacks

M/L are interchangeable between M and L sized backpacks