KEEPS YOU WARM FOR HOURS: Size: 18 x 5.7 inch, 2 Liters, the bottle and cover are designed to retain heat to ensure your comfort. The soft covers distribute the heat evenly and protect you against excessive heating; It is ideal for a cozy night with a glass of wine on the couch. Especially in the winter, the 1 liter hot water bottle with cover will soothe and warm you HEAT THERAPY OR COLD THERAPY: The classic design of this classic home remedy, treating sore muscles, stress or cramps, arthritis, aches and pains, stiff necks, lower back pain, menstrual cramps and other common aches and and can also double up as a cold compress for kids with fever or to reduce swelling for minor injurie PERFECT PRESENT: Assure you of the safety, anti-explosion, no electric heat needed; This hot water bottle is a thoughtful and cozy gift for your mom, grandma, wife, sister, girlfriend, daughter, girls, dad, brother, boyfriend, grandpa, families, friends in Birthday, Father's Day, Mother's Day, Thanksgiving Day, Christmas and New Year PREMIUM MATERIAL: The upgrade hot water bottle is made from high quality transparent PVC, leakproof and durable for safe use, odorless and recyclable; The modern thermoplastic hot water bottle stays hotter for much longer and is double ribbed on both sides, allowing for incredible transmission of heat EASY TO USE: Allow boiling water to cool slightly before pouring. Grab the neck of hot water bottle. Fill in water slowly up to 2/3 full. Press the residual air out slowly and tighten on the screw cap. Make sure there are no leaks before using