1. Portability: Using a wide and flexible shoulder strap design, it can be easily hung or carried in sports or daily life. 2. Insulation performance: There is a thermal insulation material inside, which can keep the temperature of the water bottle, whether it is cold or hot drinks, it can be maintained for a long time. 3. Multi-function: It can be applied to water bottles of various sizes, and the small pocket on the front can hold small objects such as keys, mobile phones, etc. 4. Rich colors and styles: There are many colors and styles to choose from, both men and women, old and young, can find their favorite styles. 5. materials: the use of nylon and insulating materials, wear-resistant and have a good thermal insulation effect, to ensure the life of the product. Specification. Material: cloth Product size: 11 x 11 x 19cm color:blue black green pink purple Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Pack list: 1pc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia