Tesselle Breeze Blocks are available in 2 sizes, 7.5" square x 2.5" deep, and 11.4" square by 3.5" deep. Tesselle Breeze Blocks, often called Screen Blocks or Pattern Blocks, are available in 7 colors, and are ideal for separating and defining spaces while providing sun protection and maintaining openness, ventilation and airflow. Samples are available, and we carry some stock in our Riverside, California warehouse (see top of product page for inventory status). Special orders are delivered in 8-14 weeks. Below is our selection of saffron yellow breeze blocks.