The Yoga Mad cork extra high yoga brick is very lightweight & designed to protect your floors as you use it. This extra light & high brick delivers solid stability as you perform different moves & helps you do poses with correct posture alignment, both when standing & seated. Whether it's for use at home or in yoga classes, this will be a top option & it does not lose its shape as you put your weight on it. The block weighs 0.5kg (1.1lbs) & is made from quality, sustainable cork material