This is the Riffe Rubber Weight Belt wit Marseilles Buckle (57in) Features: Flexible Rubber weight belt stays on waist Heavy duty stainless steel roller buckle - easy to release Laser engraved Logo 57 (145cm) Marseilles style weight belt for freediving and spearfishing offers a flexible belt that stays in place while diving. While on deeper dives as your waist compresses, this flexibility allows for a snug fit ensuring the weight belt doesn't slip up across your chest. Heavy duty stainless steel roller buckle makes releasing the belt in case of an emergency a cinch."