Matsunoya's Wool Hot Water Bottle Cover is designed to be used with their galvanized steel . 

The thick, plush lining and wool exterior protect the user from burns, while also protecting the steel water bottle from scratches and dents. A drawstring cord holds the bottle snug inside the cover. 

Materials:  melton wool exterior, interior is a plush synthetic fabric

Made by:  Matsunoya

Made in:  Japan

Specifications: approx 15" x 11"

Care:  spot clean as needed

Use:  Our galvanized steel hot water bottle can get very hot and it is not recommended to place it directly against the skin. We recommend placing your hot water bottle cover on the bottle prior to filling it with water to prevent burns.