Portable Travelling Cup / Tumbler With Lid Space Saving and ReusableExtremely lightweight and heavy-duty design. These reusable cups come with a collapsible design that makes them easy to pack. Safe and Durable MaterialsBPA Free and made high grade non-toxic silicone, these collapsible cups are tough and can withstand all the travel and adventures you’ll go on for years. Variety of UsesThese foldable cups can be used for a variety of events or for kids and dogs. From camping to hiking to sporting events and even travelling, this cup will come in handy for all your occasions. Ergonomic DesignThese expandable silicone cups can be collapsed and stored easily in a bag. Each cup includes a lid for storage and to prevent spilling.