Travel Cat The Navigator Convertible Grey Cat Backpack is the perfect backpack for hikers, outdoor lovers, and adventurers. It's also great for basic travel needs like trips to the vet and car rides and gives your cat plenty of visibility to watch the world go by. Features : Breathable & sturdy mesh windows on all three sides Water reservoir pocket inside backpack (water bladder not included) Zippered pocket with 3 inside pockets and key hook Two Flexible side pockets for water bottles and supplies Two slide-adjustable clips inside to attach harnesses or leashes Adjustable waist strap (extra long) Adjustable chest strap (for both the length and height with sliders) and shoulder straps Zipper clips on all zippers Can be used as a backpack or carried as a duffle / "traditional" carrier Detachable shoulder strap for duffle carry option Removable mat folds to fit both ways Entire bag folds up to pack flat and for easy storage Maximum Weight: cats up to 11.5kg (25lbs) Bag itself weighs about 0.9kg (2lbs) Dimensions: 46cm L x 39cm W x 24.5cm H (18" L x 15.4" W x 10" H)