Your thrill sniffer can help carry his own gear on your adventures together wearing this Small Alcott Explorer Adventure Backpack. Designed for their comfort and your convenience, this backpack features breathable mesh, padding, reflective trim, a waste bag dispenser and four storage areas included an insulated pouch. The length from the neck down the back is 8". The chest straps adjust to fit 12" to 16" and the waist straps adjust to fit 14" to 20". This backpack is intended for short-term, supervised use. Do not overload the backpack and be sure to pack both sides evenly. The comfort padding and breathable mesh should help keep your pet comfortable during your adventures, but be sure to check for any skin irritation after use.