Uriel is our U-shaped hot water bottle perfect to concentrate heat around your neck or waist. Uriel helps relieve tension specifically around the neck and shoulders. The knit sleeve is included and helps to tie both ends together to secure the U-shape around the neck. PRODUCT DETAILS: - Composition: Advance thermoplastics to retain more heat- Capacity:750ML- Dimensions: 53 cm x 7.29 cm x 4.8 cm THREE WAYS TO USE 🔥 Hot Microwave: 1. Fully fill the bottle with water. 2. Remove the sleeve before placing it in the microwave. 3. Microwave power should not exceed 800W and heating time should not exceed 2 minutes. 4. Put the sleeve on and ready to be used! Boiling Water: 1. Boil water and let the water cool down for 1 to 2 minutes. 2. Place into the hot water bottle preferably 3/4. To prevent a decrease in durability. 3. Put on the knit sleeve and ready to be used! ❄️ Cold 1. Add cold water. Ice can be added for extra coldness. 2. Leave it in the fridge to use later or enjoy the coolness right away. INCLUDES: 1 x Hot Water Bag1 x Knitted Cover