Folding Cup Lehcar Reusable Collapsible Silicone Cup Travel Mug with Leak Proof Lid , Kitchen Hiking Camping School Outdoor and Pet Supplies, Green Collapsible Silicone Cup Made of FDA Approved Silicone, BPA Free Ultra-portable Multi-Purpose Compact Size , Weight 1.94 Oz Unbreakable, soft, hygienic, heat Resistant, non-stick, flexible WithstandTemperature: -40F~464F (-40C~230C) Safe for baby , adult , pet when travel , camp, hiking , and all outdoor activity