Meet the original collapsible bottle. Our patented spiral design allows the bottle to be compressed to take up less space, which also reduces its carbon footprint during shipping.100% Plastic Free (BPA Free & Non-Toxic)Lightweight & CompactWide Mouth for Ice CubesTaste & Odor FreeLeakproof & ShockproofTemperature Resistant up to 400FDishwasher SafeMaterials: 100% Food-Grade Silicone (Bottle), 18/8 stainless steel (Cap) Collapsed Height: 4inCollapsed Capacity: 5 fl ozExpanded Height: 6.8inExpanded Capacity: 12 fl oz