Booster Block

K9 Sport Sack® Booster Block

The K9 Sport Sack Booster Block adds extra height inside your pet’s carrier, ensuring a snug and secure fit for smaller dogs. Designed for use with all K9 Sport Sack backpack models, it helps lift your pup for better visibility and comfort.

• Two Sizes: XS/S (fits smaller backpacks) and M/L (fits larger backpacks).

• Comfortable Support: Made from durable, lightweight foam with a soft cover.

• Easy to Use: Simply place it at the bottom of the backpack for an instant size adjustment.

Perfect for small dogs who need a boost, the Booster Block enhances safety and comfort during every adventure.

Sizing Info

• XS/S measures 3" tall * 8" wide * 5" deep (7.62 cm * 20.32 cm * 12.7 cm)
• XS/S are interchangeable between XS and S sized backpacks
• M/L measures 3" tall * 10" wide * 6" deep (7.62 cm * 25.4 cm * 15.24 cm)
• M/L are interchangeable between M and L sized backpacks and are also compatible with XL and XXL if necessary

* Sport Sack not included