Its toothbrush from recycled yogurt containers. Yes, the whole of the brush handle. Recycline, Inc., partnered with the University of Massachusetts at Lowell to design the brush. And the Stonyfield Farm Yogurt is to supply the material. Recycline, Inc., the manufacturer of environmentally-friendly products is located in Waltham, Massachusetts. The toothbrush is simply designed. Narrowing at the head, the brush handle is sleek, with a subtle curve out from the base. Apparently allowing for a gentler brushing technique, the brush is curved reverse, ie the handle backward. To increase the ease and benefits of brushing, the brush handle is made curved.