Booster Block | Sizing & Comfort Insert

Ensure the perfect, snug fit for your companion with the K9 Sport Sack Booster Block. Designed for dogs who are in-between sizes or still growing, this simple insert elevates your pup to the ideal height within their carrier. It eliminates uncomfortable gaps and ensures they are properly positioned for a safe and enjoyable view on all your shared adventures.

Crafted from a high-quality, supportive foam, the Booster Block adds an extra layer of cushioning to the base of the carrier, enhancing comfort on longer journeys. It's the essential accessory for fine-tuning your K9 Sport Sack, providing the stability and support your dog needs to feel secure and happy, whether you're hiking a trail or navigating the city streets.

• Customizable Fit: Instantly raises your dog by up to 3 inches, making it perfect for puppies or dogs that don't quite fill out their carrier.
• Enhanced Comfort: Made from a single piece of firm, supportive foam that adds a cushioned base for a more comfortable ride.
• Effortless to Use: Simply place the block at the bottom of your K9 Sport Sack carrier's main compartment for an immediate sizing adjustment.