ITEM NAME:2 Pcs Protective Sleeve Protective Sleeve for Hydration Hose Description: 2mm thick Neoprene Hydration Pack Drink Tube Cover. Flexible, Durable, and Easy Installation. Fits over bare drink tube up to 10mm Diameter. In winter and other low-temperature environment, the water in the water pipe will normally be frozen, and the heat insulation cover can solve the problem effectively. 36 inch in length, 0.7 inch in width Specification: Color: Black Package Includes: 2 Pieces Drink Tube Cover SKU: DMO0012908519401752.SKU: DMO0012908519401752. 2 Pieces Drink Tube Cover.