Features： 1、Roller teeth are round and full, large contact area, put one foot on the massager, keep sliding up and down. 2、Comfortable massage foot acupoints, stable in use and effective in contact with each massage acupoint on the sole of the foot. 3、Adopt high quality ABS material, safe to use, can be used to massage foot for 30 minutes at a time. 4、Convex point design, massage the reflection area of the sole of the foot to achieve foot healthy care effect after long term using. 5、Suggested to use while sitting on a chair, and increase the use time gradually according to individual feelings. Specification： Item Type: Foot Roller Massager Material: ABS Instructions: Step on the massager with one foot, slide up and down continuously, and adjust the massage position to effectively contact each massage acupointson the sole of the foot.It is recommended to use it while sitting on a chair. According to individual feelings, it is advisable to use it gradually and massage it for 30 minutes at a time. If you feel strong stimulation, please wear socks or cover a towel on the massage roller before use. Note: 1. Do not overpress when using. 2. Do not use when feet are injured or red and swollen. 3. This product should not be used by children under 10 years old. Package List： 1 x Foot Roller Massager