Traveling with light essentials is vital. Pull out collapsible cups for traveling to quickly quench your thirst anywhere with the 7Penn Folding Cup. Made of flexible silicone, our camping cups with lids fold to a 4 x 4 x 1-inch disk to fit in your pocket or backpack. It can be brought on any hiking excursion, fishing, camping, cycling, or sporting event. Extend the collapsible cups drinking glass and fill with hot or cold beverages to use as a collapsible travel coffee mug, tea cup, collapsible wine glass, or even collapsible paint water cup. Attach the lid between sips to protect your drink from outdoor elements and spills. 2.5-inch (6.35cm) collapsible travel cup base fits your car cup holder and includes a lanyard to hang from pant loops, backpack, or wrist. Top rack dishwasher safe. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.