Alps is a US manufacturer of medical devices since 1989; Registered with the US Food and Drug Administration High Density Gel When stability meets comfort ALPS new High Density Gel formula (HD Gel) with his firm texture provides active users with the control they require. It’s particularly recommended for amputees wearing silicone liners and sleeves, but all patients with all activity levels can take advantage of the enhanced comfort offered by this innovative formula. The High Density Gel is available for the following products: High Density Gel Liners High Density Gel Sleeves FOR MORE INFORMATION CLICK HERE ALPS SOUTH 2895 42nd Ave. N St. Petersburg, FL 33714 Tel 727-528-8566 Fax 727-528-5426 E-mail: infous@easyliner.com