Do you need a durable breathing exerciser? If so, take at this breathing exerciser. Using plastic materials, durable. The unique design and craftsmanship ensure its popularity and practicality. This is your ! With this product, and you can have a more professional and enjoyable looking experience. Features -Color:Assorted Color -Material:Plastic -Size:16.50X16.00X6.00cm/6.48X6.29X2.36in -Capacity:3000ml - Compact size makes it convenient and easy for you to carry. Practical breathing exerciser made of plastic material. - This versatile respiratory training device is suitable for individuals, providing a good way to improving lung function. -This breath trainer is a good choice for you and your friends who need to train the lung breath. - This product cleans easily in daily use, which is very convenient for you and senior. - This respiratory training device is an ideal tool for anyone looking to improve their respiratory health. Package list: 1 x Breath Exerciser