The ultimate pack for a day in the trails or camping with your best friend. The comfortable and secure webbing harness was based on designs used by working dogs. It has three separate straps for a secure fit with air mesh lined padding for comfort. Harness also has a convenient handle to lift your dog and is great for everyday walks with a nickel plated D ring for leash attachment. The two side bags are detachable and contain sectioned compartments to reduce load shifting and help balance out the weight in the packs. Webbing straps along the back of the packs prevent flapping when packs are attached. Packs are great for food, toys, treats, water bottle or whatever you need for a walk in the park or hiking the trails. There is also a port to dispense poop bags, along with hypalon and webbing gear loops to attach accessories. The Ultimate Trail Pack is made from 420D rip stop nylon and 210D PU nylon lining, with reflective piping and light chargeable glow in the dark YKK zipper pull for extra night time visibility. Whether youre going out for the day or the week, give your dog a job that can provide help to you and exercise for him. Sizes: Small-30-55-pound, Medium 55-80-pound and Large 80-pound plus.