Details

In between sizes or have a growing pup? Give them a boost to increase their comfort while in a K9 Sport Sack.

Booster blocks fit snuggly in the bottom of the carrier and add a boost of up to 3" (7.62cm). 

• Constructed with sturdy, quality foam. 
• Removeable cover is made of washable cloth. 

XS/S measures 3in (7.62cm) tall, 8in (20.32cm) wide, 5in (12.7cm) deep.

XS/S are interchangeable between XS and S sized backpacks.

M/L measures 3in (7.62cm) tall, 10in (25.4cm) wide, 6in (15.24cm) deep.

M/L are interchangeable between M and L sized backpacks and are also compatible with XL and XXL if necessary.