SUR-FIT Natura Durahesive Skin Barrier with Low-Profile Flange Back Braces Interchangeable massage spheres that let

SUR FIT Natura Durahesive Skin Barrier with Low Profile Flange Back Braces Interchangeable massage spheres that let Interchangeable massage spheres that let you customize your massage experience 6" Above Mid Knee 6" Below X Small 12 1 4" 13 1 4" 11 1 2" 12 1 2" 10 3 4" 11 1 4" Small 14 1 2" 15 1 2" 13" 14" 11 3 4" 12 1 4" Small Medium 15 1 2" 16 1 2" 13 1 2" 14 1 2" 12 1 2" 13 1 2" Medium 16 1 2" 17 1 2" 14 1 2" 15 1 2" 13 1 2" 14 1 2" Medium Large 18" 19" 15 1 2" 16 1 2" 14" 15" Large 19 1 2" 20 1 2" 15 1 2" 16 1 2" 14 1 2" 15 1 2" Large X Large 20 1 2" 21 1 2" 16" 17" 15 1 2" 16 1 2" X Large 21 1 2" 22 1 2" 16 1 2" 17 1 2" 16 1 2" 17 1 2" XX Large 22 1 2" 23 1 2" 17 1 2" 18 1 2" 17 1 2" 18 1 2"