Authentic reproduction of the US Army water bottle cover. Lined with a light grey wool for insulation. In the summer, soldiers were instructed to keep the liner wet; evaporation helped cool the canteen. In the winter, if kept dry, the insulation helped keep the water from freezing. The cover is made from Khaki coloured Cotton Canvas with the US logo. This cover has the full length assembly seam at the back of the cover as was common with covers manufactured in 1940 through to 1942. This is only include canteen cover, not canteen Canteen cover 6.5 x 7 x 4.5 inch, weigt about 80g Khaki color Constructed by sturdy canvas material, cover back with solid metal hook help you load it with your belts, confident for outdoor sports or collection.