Silicone sealing ringsThe travel water bottle designed with silicone seal rings to avoid leakage. Wide mouth design makes collapsible water bottles easier to clean the interior or add ice, lemons into it.Silicone sealing ringsThe travel water bottle designed with silicone seal rings to avoid leakage. Wide mouth design makes collapsible water bottles easier to clean the interior or add ice, lemons into it.Silicone sealing ringsThe travel water bottle designed with silicone seal rings to avoid leakage. Wide mouth design makes collapsible water bottles easier to clean the interior or add ice, lemons into it.Food grade stainless steel siliconeThe water cup is made of BPA-free food-grade silicone and stainless steel, which has a long service life.MultifunctionPerfect for travel, gym, bikes, running, camping, fishing, hiking, climbing, yoga, beach, outdoor sports.Suitable for hot and cold drinksWith heat & temperature from 40C to 220C. Great for cold drinks, tea, coffee and hot beverages.