Brand : Spanco, Filling : No, Hanging Chain : Yes, Material : Canvas, length of Bag : 3.0 Feet, Color : White and Black, Designed For : Boxing, Mixed Material Arts, Kickboxing, Muay Thai, Takewondo, Judo, Marshal Arts, Karate, Wosho, Inserted Material : You have to Insert the 14 Kg. Material in 1.5 Feet, 18 Kg. Material in 2.0 Feet , 23 Kg. Material in 2.5 Feet, 28 Kg. Material in 3.0 Feet, 32 Kg. Material in 3.5 Feet, 37 Kg. Material in 4.0 Feet, 41 Kg. Material in 4.5 Feet, 46 Kg. Material in 5.0 Feet or 60 Inches Long Bag, 51 Kg. Material in 5.5 Feet, 55 Kg. Material in 6.0 Feet, 60 Kg. Material in 6.5 Feet, 64 Kg. Material in 7.0 Feet, 69 Kg. Material in 7.5 Feet, 74 Kg. Material in 8.0 Feet, Note : Kindly Fill This Bag with Cotton , Black Heavy Cotton, Cloth Cutting, Raw Cotton & Cotton Rugs Only. Preferred for Training : Yes. The Material Should be Filled in The Bag by applying the formula of (Length of the Bag in Feet x 12 x 76.76% )