Coolcel Tennis Elbow Strap designed for comfort and ease. It features an adjustable Velcro closure to apply pressure to forearm muscles. Along with a freezable silicone pad for cold therapy. Coolcel by Ortho Active is a breathable, latex-free alternative to Neoprene. Made of a special nylon and open-cell foam blend. Coolcel offers compression and support while letting your skin breathe. It's great for sports or for people prone to skin irritation from heat.