Product Material: Rubber + Acrylic Size: 36.5*31.5cm Style: White heart on red background, gray snowflakes, knitted navy blue Color: Red and white, gray and white, navy blue Quantity: 1 piece Package content: 1 x warm water bag 1. Safe and durable - The hot water bottle is made of high-quality natural rubber and does not contain harmful substances. The inner tank is constructed from rubber, while the outer cover is made of knitted fabric, providing softness and warmth for children, adults, and seniors during cold winter months. 2. Excellent warmth - The U-shaped hot water bottle delivers soothing, long-lasting heat to the neck, shoulders, back, and stomach. Ideal for relieving tension or cramps. The cover is soft to the touch and adds comfort, making it a perfect companion for relaxation. 3. Soft protective cover - The knitted plush cover offers a gentle, secure feel. This heat pack includes a soft exterior that helps regulate temperature, promoting a comfortable experience throughout the night. A reliable choice for staying warm and relaxed, especially in colder seasons. 4. Large capacity - With dimensions of 36.5 x 31.5 cm, this hot water bottle provides cozy warmth for the whole body. Versatile for use at home, in bed, or while resting. Note: For safety, do not use boiling water and avoid overfilling. 5. Ideal gift - Suitable for Christmas, Mother's Day, Father's Day, birthdays, and other occasions. Practical for use at home, in the office, while traveling, or outdoors. A thoughtful gift for friends and family.