This large deck of 50 cards offer step-by-step direction on yoga poses while also encouraging "green" living with eco-friendly tips. It is co-written by Tara Guber and Leah Kalish of Yoga Ed., and is illustrated by Sophie Fatus. Each card included is related to one the natural elements: air, earth, fire, water and space. The box measures 5.5" x 7" x 1.25".