· Bound by Diamonds™…An exquisite collection of seductive fetish gear hand-crafted in soft supple patent leather, then adorned with lustrous white crystals. One size fits most.· Seductive, adjustable cinch strap with soft and sensual designer ball· Exquisite diamond detail· Polyester (strap) PVC (ball) Nickel Free Iron (rings)· 1.75″”/ 4 cm (diameter ball)