... ,indehiscent,High/low temperature change resistant,guaranteed to never shatter,leak or dent. Perfect for hiking, biking, picnic and sports because ... for your kids, who may often brake glass bottles.* LEAKPROOF - Seal leak proof silicone,secure single button cup lid,300 degree bounce ... design,tightly latch the cup lid,the best bottle never leak.* HEALTHY AND SAFE - BPA free,LFGB and FDA Approved 100 ...