What is the 3ft Tethered Punch Bag? The heavy duty 3ft Tethered Punch Bag by BBE is a high quality robust punch bag for combination & footwork practice. Featuring a synthetic hide with a heat pressed laminated finish for second to none tear resistance, the bag also incorporates a textile filling for an even balance during use. With stitched in chrome d-rings & a tethered loop at the base of the bag which minimises swing the BBE 3ft Punchbag weights 18kg which makes it an ideal heavy bag for power shots & cardiovascular conditioning.