Details Durable & Safe: Made from food-grade silicone & PP, BPA-free, non-toxic, and drop-resistant. Portable & Collapsible: Weighs 177g, extends to 5.4 inches, and collapses to 2.4 inches for easy carrying. Leakproof & Insulated: Features a silicone seal ring, thickened cup mouth, and adiabatic ring for spill-proof and temperature control. Adjustable Capacity: Holds up to 450ml (16OZ) and can be adjusted to meet your needs. Easy to Clean & Carry: Lightweight, easy to clean, and comes with a connective portable hook for easy attachment. Perfect for Travel: Great for hiking, camping, and travel, allowing you to enjoy your favorite beverages anywhere, anytime.