【Safe and reliable】: Our water jug lids are made of food grade silicone that is non-toxic, soft and dishwasher safe, which is healthy and environmentally friendly. 【Leak-proof and airtight Design】: The lid of the 5-gallon water jug is flexible and quite tight, sealed stronger than the general lids, ensuring that drinking water can be kept clean and fresh for a long time clean and safe, creating a sterile environment for clear water storage. 【Reusable Water Bottle Cap】: Stop using plastic caps once, this water jug cap is reusable, more durable than plastic one. And it is very suitable for use in water jugs at home, office, transport and camping. 【Easy to put on and take off】: Ordinary plastic caps are very difficult to remove, you can remove our caps with your finger easily, which can save your hands and nails. Safe and reliable: Our water jug lids are made of food grade silicone that is non-toxic, soft and dishwasher safe, which is healthy and environmentally friendly. 【Widely Used】- Our replaceable water bottle caps can fit any 55mm standard nozzle bottle, including a 3-gallon or 5-gallon bottle. And you can even use them for water bottles with a screw cap if you want. Ideal for use in water bottles at home, in the office or outside.