These gymnastic rings are perfectly constructed by athletes. Texture is smooth to the touch while offering a high degree of grip. These gym rings take chalk easily, ready for use indoors & outdoors, and are virtually unbreakable. They 18ft, heavy duty nylon straps are 1.5" wide and numbered, making adjustment of the rings easy. The numbering on the straps are not an exact but make it an easy starting point to get your rings aligned. And oversized industrial spring buckles ensure everything stays dialed in how you like it.