Feature: 1. Single size: L * W: 26 * 10 cm (1024 * 394 inch); Handle length about 92 cm (362 inch). 2. Material: Made of high quality polypropylene, non-toxic and safe to use. 3. Leakproof: The water inlet has double lids to avoid leakage. You don't have to worry about exercise during exercise. 4. Adjustable weight: You can control the weight by controlling how much water is poured. It is practical and portable. 5. Application: Widely used in the home or office even when you are on a business trip to carry in your pocket.