SinoWare Canvas Dog Backpack Rucksack Saddlebags for Medium & Large Dog High density cotton canvas provide a better holding for your beloved pet and do not hurt fur. Materials: made of high quality canvas, breathe freely, quick release. Design: 2 x main bags(zipper side pockets on each side with pouch), 2 x side bags, with D shape buckle, with magic tape. Size: 27 x 25 x 5.5cm, girth size: 50cm/20inch. fit for dogs which girth above 50cm/20inch. Functions: traveling or everyday use for dog carry his own essential items.