Here's what you need to weigh a kid on your milk scale. Sling holds kid or lamb from newborn up to 50 pounds. Squirming kid can't wiggle free; will usually lie quietly while sling hangs on the scale. We also use this sling on our A.I. stand. Heavy waterproof green duck canvas, 11" wide, 43" long, with 2-1/2" metal rings sewn in with strong nylon webbing. Sides are reinforced with wooden dowels to keep shape.