... standards Pass QS-9000 1. 5 gallon water bottle cap(two pieces) with inner foam 2.Blue or white, PE new ... material,food grade 3.Cap overall brightness tucked inside, the color and luster is well-balanced, feel smooth, no smell, no ... supply different kinds of 5 gallon caps, three-in-one, two-in-one, four-in-one, recycle or one-way,with ...