1 PCS 2 in 1 Dog Backpack Waterproof for Hiking ideal for multi-day backcountry adventures.If have any question about the backpack size when your dogs wear it,please contact us.We will deal with it for you.Thanks you! Main Feature: ♥ Outdoor saddlebag backpack and chest dual-purpose strap. ♥ Breathable Backsystem to keep dog more comfortable. ♥ The dog harness …