【Compatiblity】Only for Hydro Flask 12 oz-64 oz wide mouth water bottle (Note: Not for TAL, for Hydrapeak, for Manna brands). Please confirm your bottle brand and size carefully before placing an order. 【SAFETY CERTIFIED】The spout cover has been tested by 3rd party safety testing and is BPA, lead, PAES free, and completely safe for children. 【Leak-Proof】Compared with straw lids, the spout lids have excellent leak-proof performance. Tighten the cap so you don't have to worry about leaks even in a backpack. Perfect for any outdoor activity, this is definitely the perfect accessory for a stainless steel water bottle. 【Portable Handle】Three-finger wide handle, reduce finger pressure when walking, fingers will not feel pain. The chug lid are easy to twist off for easy drinking without removing the entire cap. The lid can be held in place so that it doesn't touch the nose or block the view when drinking 【Warm Tips】The wide-mouth water bottles on the market are produced by different factories. We do not guarantee that they will work with all jars. Please read the website description carefully before ordering to confirm that your water bottle will fit. Only for Hydro Flask 12 oz-64 oz wide mouth water bottle (Note: Not for TAL, for Hydrapeak, for Manna brands). Please confirm your bottle brand and size carefully before placing an order.