Manduka's Recycled Foam Yoga Block is the first among equals - consisting of over 50% recycled EVA foam, this lightweight yoga block provides unbeatable comfort, style and support. Each block is an individual sale. I have 3 available. FEATURES 4" x 6" x 9"; 1 lb Contains between 50% - 75% recycled post-industrial & post-consumer EVA foam. Radius edges for comfort and beauty. High density, extreme durability, firm support. Soft, comfortable grip that is also slip-resistant. SUSTAINABILITY Manduka's Recycled Foam Yoga Block is first among equals, it redefines the quality and recycled content standards for all foam blocks. Between 50% to 75% of each block is guaranteed to contain a mixture of postindustrial and post-consumer recycled EVA foam without compromising durability or performance.