Medium-density foam roller with molded edges. Ideal for balance, strengthening, flexibility, and rehab exercises Strong resistance to pressure , maximum load capacity 440lb (200kg). Lightweight: 13" only 1.75lb , 12" only 0.9lb. Easy to carry: The 12" foam roller is built in the 13" hollow foam roller. reduce the occupied volume when carrying. Easy to clean: After exercising, clean it with water or soap. no need for extra care. Skin-friendly: Eco-friendly EVA foam material, safe and healthy. Package includes: 2 foam roller - 13 x 5.5 inch diameter and 12 x 3.9 inch diameter. 2 Foam Roller (12" and 13"), These benefits are for more than just athletes Decreased muscle and joint pain Relaxes and restores fascia Better flexibility, joint mobility, and range of motion Great for use before and after workouts Reduce muscle pain and injury recovery time with regular use Prevent injuries and pulled muscles Unlike smooth rollers, penetrates deep into muscle tissue for maximum benefit Self massage for de-stressing and relaxing after a long day Maximum load capacity 440lb (200kg) The maximum bearing weight is up to 440 pounds (200kg), which can be used safely. Skin-friendly and comfortable Skin-friendly material, comfortable and long-lasting, and easy to clean and carry. Eliminate thick legs Eliminate muscles, eliminate thick legs, and make the legs beautiful and slender. Shape the back curve Yoga assistance, shaping the back curve, making the body more upright. Eliminate muscle fatigue Massage the buttocks, effectively get rid of cellulite and fat. Let the body not be bloated.