Medium Envelope Backpack - Ned BlueExpertly designed and environmentally friendly, the new medium size backpack from Sticky Lemon is made from recycled PET bottles. With its vibrant and stylish color combinations, this backpack is perfect for your child's school days or weekend adventures. Crafted with a strong, water resistant fabric and one envelope pocket on the outside. Inside you'll find a practical, wipe clean lining with a handdrawn pattern, an elastic bottle holder and a pocket