This crocheted cover has the appearance of a knitted cover. Instructions are included for a 2.5-litre hot water bottle and a 1.75-quart (2-litre) hot water bottle. A side zip can be included to provide easy insertion and removal of the hot water bottle, or alternatively, insert the (rolled-up) hot water bottle through the top opening.

Patterns supplied in US and UK terminology.

Made using soft DK/8ply yarn (approx. 150 grams); 5mm hook; 20cm/8in zipper.