Safety Products: Leak and taste resistant PVC, safe, healthy and durable. Comfortable Design: The curved thermos are designed to fit comfortably over your shoulders, so you don't need to be fully fixed to fully relax. Effective Relief: PVC hot water bottle can be used as medicine to relieve kidney pain, colic, lower back pain, neck pain, limb pain, sports injury, etc. Perfect gift: It will be a nice gift for Christmas or birthday. Especially for friends and family who are cold. We all know that a person is very cold all year round. Product Color: C-blue Features: 1. Thermos flasks are easy to carry, especially when traveling long distances or taking a bus. 2. Easy to use: (1) After filling with hot water, remove excess air. (2) Inject 2/3 of the hot water into the hot water bottle. (3) Tighten the nut. (4) Wipe off the water with a cloth. 3. Keep your neck and shoulders warm; 4. Reduce muscle spasms and spasms by reducing vasoconstriction. Specifications: Weight: 700 grams Color: blue Size: 363 * 53 * 345mm Capacity: 1.4 liters Material: PVC, the lining is plush Package includes: 1 x hot water bottle 1 x plush blanket (dark blue) 1x pvb water bottle (gift) Note: 1. To eliminate any rubber smell in the bag, rinse the inside and leave it in a ventilated room for more than 3 days. 2. When filling with hot water, hold the hot water bottle upright and slowly fill it two-thirds full. 3, do not add boiling water, so as not to damage the rubber in the long run; avoid too long time (at least 30 minutes) 4.direct contact with skin when hot water can cause burns; 5. Please stay away from children under 36 months.