Ergonomic Ergonomic Footrest: The ergonomic design of our foot stretcher ensures the foot is optimally positioned to improve stretching of the leg foot muscles In addition, a space in the middle of the foot allows the use of the rocker foot to strengthen the ankles Non-slip rocker design: Non-slip rubber grips at the bottom of the foot rocker ensure that the stretcher will not slip when used on any type of surface A raised heel plate locks the heel in place to prevent the foot from slipping during use reduce injury Pain Relief: Three 30-second stretches per day will increase flexibility while minimizing discomfort in the heel, legs, back Improving flexibility stretching will often relieve pain associated with plantar fasciitis, Achilles tendonitis, ankle, arching pain PERFECT FOR EVERYONE: Foot was developed to provide an effective way to relieve lower body pain associated with Plantar Fasciitis, Achilles Tendonitis, Ankle, Arch Pain other chronic conditions It is designed to be used by anyone looking to improve their flexibility or relieve pain Product DescriptionUse our foot stretcher, no more pain in ankle, calf or foot- Made of durable ABS material, has a longer lifespan, this calf stretcher will never bend or break even with daily use - Rubber bs prevent product from slipping on different surfaces, rubber protectors can protect your floors when stretching - Reduce pain caused by plantar fasciitis, Achilles tendonitis, ankle tension, arch pain other chronic conditions - More effective stretching tool for legs, hamstrings feet Easy to take to the gym, office, travel indoor-outdoor exercise - Pain relief for runners, athletes anyone with tendonitis or plantar fasciitis in the legs, calf level, is suitable for most feet Specification:Material: ABSColor: blueWeight: 410gSize: 27 13 10cm \/ 10 6 5 1 3 9inQuantity: 1Package include:1 rocker foot1 Instruction manualWarm tips:1) Due to differences in light screen setting, the item's color may be slightly different from the pictures 2) Please allow slight dimension difference due to different manual measurement