Features
1. Spill-Proof: Won't drip, spill or leak even if you store your jugs on their side. Fits any water jugs with a standard 55mm opening, 5-gallon jugs. You can even use it for threaded screw-top jugs if you like.
2. Upgraded Design: Unique design allows water jug cap to be put on or taken off easily, and the attached loop design made it easy to hold.
3. Food Grade Silicone: Food grade silicone provides an airtight seal and won't leach any harmful chemicals into your water, ensuring your drinking water stays pure and fresh for as long as you store it.
4. Multiple Occasions: Suitable for water dispenser, water cooler, the center button stays attached to the lid after it's placed, instead of floating around in the water; also for water jug on top rack or with water pump in both family and office.
5. Easy to Install/Remove: Unlike plastic lids, the jug can be put on or taken off in a second, saving you hassle and frustration. Just press down on the top to install it, then pry it off to remove it. It's so easy that even a child can do it.

Specification
Material: Silica gel
Color: Blue
Size: 5.5x5.5x2cm
Weight: 45 g, 95 g

Package Include:
2 Water Bottle Caps or 4 Water Bottle Caps