Function: Free-Flowing gel cushions, massages and absorbs pressure with every step. Fluid forms to the exact shape of the foot, release pressure under the foot. The insoles are made from high-quality durable urethane and are filled with a non-toxic glycerin gel. Odor-resistant, urethane covering reduces perspiration and retards bacterial growth. Washable Trim-to-fit and transfer from shoe to shoe. Machine washable Usage: Wipe inside of shoe clean. Remove existing insole the former insoles. Inserts and Stays in Place Inside the shoe with fabric side up. Care Instructions: Massaging Insoles used only pharmaceutical grade glycerin as its fluid filling. "Pharmaceutical grade" means allowable in food or cosmetics under FDA standards. Easy Care: Hand or machine wash with soap and water. For maximum durability, keep insoles clean. Wash weekly and AIR DRY ONLY. Our insoles are not microwavable.**New Targeted Treatment massage gel insoles with increased Dynamic Fluid Technology and molded support for the arch that supports the Plantar Fasciitis condition. Massage Insoles allow you to stand, walk Pain Free! It helps gout, hip pain, back pain, knee pain, heel spurs, heel pain, feet pain, bunions, diabetic, flat feet, hot feet, club feet, cold feet, neuropathy, high arches, metatasalgia, poor circulation, Morton's neuroma, plantar fsciatiis Dynamic Fluid Technology.Item Form: Liquid. Recommended Uses For Product: Heel. Material: Urethane, Gel. Use for: Feet. Brand: HealthmateForever. Date First Available: November 26, 2014. Best Sellers Rank: #526,378 in Health & Household. Customer Reviews: 3.4 3.4 out of 5 stars 17 ratings 3.4 out of 5 stars. : B00CST2I9W. Size: ?Men 8-10. Part Number: ?Healthmate International, LLC. Manufacturer: ?Healthmate International. Material: ?Urethane, Gel. Brand Name: ?HealthmateForever. Package Weight: ?0.15 Pounds. Item Package Dimensions L x W x H: ?11.6 x 3.9 x 0.4 inches.