Optimizing underwater during pool drills, depth training, or diving by replacing bulkier waist weights with this neck mounted solution Achieve precise buoyance control with this soft Silicones dives neck weight, for neutral buoyance during freediving and underwater exploration Engineered with freediving specific ergonomics, the flexible yet durability design maintains neutral buoyance while slippage during underwater maneuvers Consist of silicones coated soft Silicones with antislip surfaces, this light weight 1KG neck wearable ensures stability during dynamic movements Ideal for adult of various skill levels, including beginners and enthusiasts pursues enhancing control in pool training, competitions, or depth water dives