Looking for an eco-friendly book bag for your big kid? Engage Green has a cool collection of kid-sized messenger bags made from 100% recycled, post-consumer plastic bottles in their Penguin & Rooster line.

Design Specs: “Recycled Plastic (PETE). Organizer division in front panel. Small zippered pocket inside of the main compartment. Adjustable shoulder strap.” The bag is 10″x7″x2.5″, or the perfect kids’ size.

+Engage Green Messenger Bag (for kids) $40