Polyethylene Floats EVA Floats Korean Float RETAIL/ Per Piece Sizes: J-1.0 35x21x7 (Length x Outer Diameter x Hole Diameter in millimeter), 3g (weight) 10g (Buoyancy) J-1.5 42x21x7 (Length x Outer Diameter x Hole Diameter in millimeter), 5g (weight) 14g (Buoyancy) Y-2 90x22x8 (Length x Outer Diameter x Hole Diameter in millimeter), 12g (weight) 22g (Buoyancy) Y-3 60x36x9 (Length x Outer Diameter x Hole Diameter in millimeter), 14g (weight) 36g (Buoyancy) 1 quanity = 1 piece