14" (36cm) single point knitting needle pairs. SmartGlo knitting needles are made from lightweight plastic that glows in the dark. Warm to the touch and lightweight, they will be easier on your hands and wrists and because they glow in the dark, you will be able to see your stitches in dimly lit places like movie theaters and cars. No batteries required, they are easily recharged in natural or artificial light in just minutes.