Crafted from food-grade silicone, this collapsible bottle boasts a stainless steel screw-on lid and a handy metal carabiner. Its unique accordion design facilitates easy folding, making it a space-saver. Safe from BPA and dishwasher-friendly (lid removed), it adjusts from a 9-1/2″ full height to a compact 5-1/2″. Ideal for hiking, camping, and outdoor adventures.