Insulated collar. For use with 1 liter 63436 Blomus carafe. Keeps beverages cool. Made from neoprene. 3.86 in. L x 3.86 in. W x 9.72 in. H. Designer: Floz design The insulating sleeve ACQUA turns the purist water jug into a fashionable eye catcher and offers a convenient way to keep its contents cool or warm. Apart from being a pleasure to look at and to use, the snugly fitting insulating sleeve features a thoughtful design in that its rubberized underside prevents it from slipping. The zipper permits the sleeve to be applied and removed without any effort.