- LONG-LASTING HEAT: Ideal for snuggling in bed for a long period of time and keeping hands, legs, stomach, or feet warm on those winter nights. - SAFE AND DURABLE: High-quality thermoplastic material that is non-toxic, recyclable, and skin-friendly. With a thick and sturdy exterior texture and ribbed to provide a strong thermal barrier, the hot water bottle can protect you from overheating or burns. 100% safe to use. - LEAK-PROOF DESIGN: The bottle mouth is wide enough for easy water filling and can prevent burns. It features a tight sealing plug to prevent leaks. And the hot water bag is transparent, so you can easily check the water level inside. - SOFT KNIT COVER: Intimately provided with a blue and gray cover for added protection to your skin. The bag cover is softly woven to provide you with great comfort and can keep the hot water bag dust-free. Easy to apply or remove and machine washable. - PERFECT GIFT CHOICE: Perfect for birthdays, Christmas, Mother's Day, Thanksgiving, and other special moments. Give it to your mother, father, or children and show your love!