Made of sustainable cork, this high quality yoga block allows you to feel secure in the support it generously provides.The Manduka Lean Cork Yoga Block is slimmer than its full-size counterpart, but it's equally supportive. The thinner width is comfortable to hold and easy to travel with, yet provides a solid, stable base for your practice.Cork Yoga Block: 2 lb; 4" x 6" x 9"Lean Cork Yoga Block: 1 lb; 3" x 4" x 8.5"Read on for our guide on yoga blocks: Yoga Blocks - The Foundation of Every Practice.