Our Yoga and Pilates Head Block is smaller than traditional blocks. It\'s the perfect size to help you achieve the correct neck alignment when in reclining positions. The Head Block is great for correcting the tilt on the pelvis (when laying down) and also great for putting between the knees to give you extra support and comfort.. Features -. Made from High Density EVA Foam.. Chamfered edges to maximum comfort and grip. All Our Blocks & Bricks come Fully cellophane wrapped.. Size: 205mm Length x 150mm Width x 25mm Height , Weight: 75 grams.