_x000D_ Features: _x000D_ _x000D_ OOTDTY _x000D_ Improve swimming skills: By increasing water resistance during swimming, swimmers exercise muscle strength, improve postures, and increase speed._x000D_ Safe and effective: It can provide stable resistance training effects without posing safety hazards to users. It is safe and effective swimming training tool._x000D_ Comfortable fit: Made of Nylon+PP material, with good fit. The toughs and durable nylon webbing has good wear resistance._x000D_ With 360degree rotating quick release buckle, it is firm and durable, with high flexibility and no twisting._x000D_ Multiple sizes for selection: You can choose according to your personally needs and ability level. Users can gradually increase resistance, thereby gradually improving their swimming ability._x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Nylon+PP_x000D_ Color: Black/Yellow_x000D_ Resistance Umbrella Diameter: 20cm (7.87inch)/30cm (11.81inch)/40cm (15.75inch)_x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1Set Swim Parachute_x000D_ _x000D_ _x000D_ Note: _x000D_ Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_