Blok 3521 glass wind guard is designed to block wind and maintain centered & steady flames. It is made of transparent tempered glass with super strong heat resistance and polishing edges. Stainless steel feet create gaps at the bottom to make sure smooth airflow and enhance the stability of the glass wind guard. Blok 3824 is rectangular with assembled dimension 35" x 21" x 6". It will fit PyroMania''s Moderne fire table and other brands'' rectangular fire tables. It''s very easy to assemble. All necessary hardware and instructions are included.