Description Condition: 100% brand new & high quality Material: plastic Product capacity: 90ml Product size: 24*5cm Characteristic 1. Use of air pressure technology to generate a strong water flow to clean. 2. Without battery to remove food debris between teeth. 3. It also works very well with braces and dental floss. 4. Add some mouthwash to the jet for a cleaner feel is available. How to use Step 1: Simply turn the bottom of the tube counterclockwise and remove the bottom tube. Step 2: Fill the water in the tube and pull the bottum from the tube. Step 3: Hold the water float and open your mouth, keep the mouthpiece about 45 ° along the teeth or gums. Step 4: Press the Green Bottom to activate the water jet to clean food debris between teeth and gums. Note: -Because of the different production batches, the item details may be a little different. If you consider the difference, buy carefully. -Due to different screen and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Package Included: 1x Water jet