MostFit SYN Rings Olympic Bar Attachments (Pair) for Instability Resistance Training Includes ONE PAIR rings and straps. Olympic Bar, Weight Plates, Bench, Spring Collars NOT included. Attaches to Olympic weightlifting bar or curl bar with 2 inch sleeve ends. Weight 10 oz each side. Double stitched nylon straps 21" L x 1-3/8" W attached to plastic rings with aluminum center rings. Black with Lime Green accents. Steel D-Rings. Includes (2) Carabiners and mesh travel pouch. Great for squats, chest press, shoulder press, and lunges. Lightweight, compact and portable.