High Quality 5gallon Water Cap / Smart Lids

5 gallon water cap is for locking 3&5 gallon water bottle, 55mm neck size, made of 100% new PE(HDPE&LDPE) material, healthy, sanitary for water packing,
Specification:
-55mm neck size.
-Weight: 14.2g.
-Thickness: 1.10mm.
-Height: 40.10mm.
-Perimeter: 174.14mm.
-Inner diameter: 53.78mm.
-Hardness: (15S, 5TLER)41
-100% new PE material(food grade).
-Non-toxic material, sanitary
-The scoring is easy to tear.
-Dust-proof
-CQCS

Features:
5 gallon bottle caps with three parts(one type):
1) Three main parts: Big closure, inner plug, and dust-proof gasket.
One additional part: Liner
2) Package: Carton.
3) With 100% new material.
4) Any color can be chosen.