The wick-it sax strap uses a high-tech memory foam Pad which conforms to the contours of your neck and shoulders to create a comfortable fit. The material is and allows moisture to dissipate. This combination of features creates a comfortable and secure non-stretch strap that makes playing for long hours under hot lights much more enjoyable. The tailored design appeals to users of all playing ability, and the comfort is truly unique. It's sure to be a favorite! the wick-it sax strap is available in three hook types swivel, plastic-covered metal or open and the following sizes: junior swivel: 16" 19" (40, 6cm 48, 3cm)junior metal hook: 15" 18" (38, 1cm 45, 7cm)regular swivel or metal hook: 17" 21" (43, 2cm 53, 3cm)regular open: 16" 20" (40, 6cm 50, 8cm) x-long swivel: 20. 5" 27" (52, 1cm 68, 6cm)x-long open or metal hook: 19" 26" (48, 3cm 66cm)