The Fitness Mad chip Foam Half Yoga Block is ideal for getting extra height and cushioning and helping achieve better alignment whilst practicing yoga positions. Yoga blocks are perfect for beginners and experienced users as they help you with flexibility and alignment so you can experience postures without injury, even if your body is not quite ready for it.. This block is 1 inch thick and is suitable for fine-tuning height adjustment. It is made from recycled chip foam, meaning your block is environmentally-friendly. This also means that the colours may vary slightly from batch to batch.