DESIGN & DETAILS: Low profile handle for helping dogs in & out of the water Telescoping neck closure for an adjustable fit for different sized dogs Closed cell foam panels to support a natural swimming position Easy-to-clip sheltered buckles keep straps in place Tonal reflective accents for added visibility in low light conditions Built in light loop for attaching The Beacon(TM) XS:17-22in S:22-27in M:27-32in L:32-36in XL:36-42in