Wide Use: Hot water bottle can be used alone as a remedy for aches, pains and sports injuries.     Nice: Making sure you and your loved ones get warm and cozy sleeps! So this cute set will be the best gift choice for families and friends. Machine washable.     Elaborated: It is made from natural rubber. Retains heat for an extra long time. Ribbed outer surface helps maintain liquid temperature.     Comfortable: A soft and cuddly fleece cover. Machine Washable. Turtleneck Knit Style makes it easy to put on bottle.     Package included: 1 Rubber Hot Water Bottle, 1 Soft Fleece Cover.