Waste No Space - Space is a terrible thing to waste, which is why the HYDAWAY collapsible drink tumbler compresses down from a sturdy 16 oz portable drink cup to a slim 1-inch profile in seconds! So, sip stow your collapsible tumbler, and carry on | | Double Wall Tumbler - Equipped with an insulating foam sleeve to keep drinks hot or cold, a spill-proof lid, stainless-steel rim and built-in flexible straw, this insulated coffee tumbler lets you enjoy on-the-go drinks without losing a drop | | Built To Last - Built to expand collapse for years, the collapsible travel cup with lid is made from strong steel silicone that allows for continuous use on all adventures! Plus, this folding tumbler is easy to clean suitable for the dishwasher | | Reduce Your Impact - HYDAWAY strives to lessen the impact of single-use plastic on the planet. With a collapsible cup with straw tucked into your bag when camping, backpacking or on days out, youll never need a single-.