K9 Sport Sack Plus 2 Unisex Dog Carrier Backpack Double Handle Shoulder Strap. The K9 Sport Sack Plus 2 is a unisex dog carrier backpack designed for Large dogs. Made of durable nylon material, this backpack carrier features double handle shoulder straps for easy and convenient transportation. The model, K9 Sport Sack Plus 2, offers a comfortable and secure way to carry your pet while on the go. Perfect for pet owners who want to travel or hike with their furry companion safely and comfortably. Possible brand new. A little dusty, doesn't have alot of dog hairs or scratches, so possible never used or used once. Product Details • Brand: K9 Sport Sack Large • Color: Black • Department: Unisex • Type: Dog Carrier Backpack Condition: Excellent. This item is in Excellent Condition. Please examine all pictures closely, as we provide detailed images with great lighting and the zoom feature for a clear view. The item is poly-bagged immediately after photos to ensure no surprises. Thanks for checking it out! 😊