Come and see our amazing products. The portable water bottle is made of silicone, BPA free to ensure safe drinking, odorless and harmless. Applicable for hot water up to 392 degree F (200 degree C) and cold water to -58 degree F (-50 degree C). Note: We do not recommend using it for liquid higher than 140 degree F (60 degree C) to avoid scalding your hand while holding it. The travel water bottle designed with silicone seal ring to prevent leakage. Wide mouth design makes collapsible water bottles easier to clean the interior or add ice, lemons into it. Pls confirm further with us if any query about packing info, inventory status and time schedule.