This top comes complete with sturdy metal chains that drape over and below the breasts. It also has metal o-rings that are linked to the leather collar and an additional chain that adorns the collar. There is also a fully adjustable leather back strap with press stud closures. The collar is adjustable, again with press studs, up to a circumference of 15 inches. 100% leather excluding trim. One size fits the majority. NB. This garment weighs 0.6kg (1.4lbs).