More to explore:
Organic Cotton Animal Hot Water Bottle Cover. Keep warm, warm!
Hot Water Bottle Covers from Toto Knits - We keep you warm with love!
hot water bottle - inspiration only - maybe use a thrift store sweater to sew a cover
Hot Water Bottle Cover PDF Pattern by amykallissa
Cushion Cover and Hot Water Bottle Sweater / Cover- Cream
Knitted Hot Water Bottle Cover
Hot Water Bottle Cover Dandelions by BigLittle on Etsy, $26.00
Cyclamen Pink Hot Water Bottle £35.00
the finished zpagetti yarn crochet hot water bottle cover
Hand Knitted Hot Water Bottle Cover Cosy in Cream by TheCraftyElks
'nancy' cable knit hot water bottle cover (mint) | wowthankyou.co.uk
Nursing Cover, these run for $80 but I know I could sew this cheaper!