Vintage US Military Canteen With Cover 1957 & Strap M-191C *READ

The product is a vintage US Military canteen with cover from 1957, featuring the M-191C design. This collectible item is a piece of militaria history, manufactured in the United States. It includes a strap however I am not sure if the strap is part of the cover. Cover is in good pre-owned condition. Does show signs of wear as a few small tears are present. Inside bag is an attached metal like plate to keep canteen cool. Canteen is made of plastic and shows some wear and light scratches from use. Strap is included but not sure if its part of the cover. Please see additional pics and this is part Of the description.