When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay. 1860 Maguire Son Dublin Copper Hot Water Bottle Bed Warmer Canteen 10 in Tall This product data sheet is originally written in English. The Maguire Son Dublin Copper Hot Water Bottle Bed Warmer Canteen is a collectible metalware piece made of copper in Ireland. This canteen was used for heating water and keeping it warm, likely for medicinal purposes during the 1860s. The craftsmanship and materials used reflect the quality and history of this unique piece. The Maguire Son Dublin Copper Hot Water Bottle Bed Warmer Canteen is a collectible metalware piece made of copper in Ireland. This canteen was used for heating water and keeping it warm, likely for medicinal purposes during the 1860s. The craftsmanship and materials used reflect the quality and history of this unique piece.