Wonder Nation Backpack Adjustable Straps size L16" x W12" Brown & Gray NWT Wonder Nation Kids Backpack is a great accessory for kids who want to carry their essentials in style! The bag features adjustable straps for a comfortable fit and a zippered closure to keep everything secure. With a brown and gray solid pattern, this medium-sized backpack is made of durable man-made material and has a microfiber fabric type with polyester blend straps. The bag dimensions are L16" x W12" x D4" I ship items out EVERY DAY so EXPECT a QUICK delivery! Please feel free to ask any questions you may have I answer most questions instantly!