Like it or not, the hip bag is back, and we're making it trendy and fully custom. Designed for on the go, keep everything organized while you run out the door on your next adventure. Lined interior. Each one of these Hip Bags keeps 4 plastic bottles out of the landfill! Our new Heavyweight Poly material contains 100% post-consumer recycled materials (RPET). This eco-friendly utility fabric has a heavier hand feel, is more durable, and is made consciously.