Product size about :13.2*4.5cm/5.1*1.7in Product color: As shown in the figure Product material: ABS+PC product features: IMPROVE FITNESS - This trainer is for daily exercise to improve muscles training, also offers 6 different resistance options for you to progress in daily training. 6 GEARS ADJUSTABLE - Designed with 6 adjustable resistances to set your desired training level, and achieve strengthening fitness. EASY TO EXERCISE - Simple and compact design makes it super easy to use and get training wherever you're. HIGH GRADE MATERIALS - Adaption of high-quality materials with rigorous testing makes it safe to use for healthy life. WIDE APPLICATIONS - Ideal for people of all ages, from children to adults, and especially our seniors, also for professional athletes, sports teams, training facilities, fitness centers, singers, etc. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Abdominal breathing trainer