You're going to absolutely LOVE these stretchy self-reguation sensory tools that are like Stretchy String x 100! Extra rugged and wonderfully stretchy 13" rubbery exercisers made of a phenomenally durable and thick, translucent gel-like material. This jumbo ribbed stretchy string features a very textury bulb-shaped grip on each end. Super Duper Jelly Stretchers make a superb self-regulation tool for providing calming proprioceptive input, and offer a great hand strengthening / upper body workout – anytime, anyplace. A superb sensory tool for home, the office, traveling, and/or therapy clinics. Comes in your choice of 3 resistances or a money-saving sampler pack that includes one of each resistance. Latex-free.