The Vintage EMS Eastern Mountain Sports Green Hiking Backpack Daypack Bag is a medium-sized backpack made of a durable combination of polyester and nylon materials. This unisex adults' backpack features a vintage design with a classic green color, nylon frame material, and a strap buckle closure. Perfect for hiking and outdoor activities in the summer season, this backpack is a reliable choice for carrying essentials while on the go. ITEM IS 12X12 ROUGH MEASURMENT