Perfect for Aquascapes and Fishkeeping.Top Grade Crystal Glass with superb workmanship for the most discerning aqua-scaper and fishkeeper.Specifications:Crystal Glass with high grade silicon.Available Sizes:ModelDimensions (LWH)Glass ThicknessAccessories Included90cm Low Profile90x45x30cm10Bottom Mat, Glass Cover x 2, Glass Cover Holders x 890cm Standard (with Cover)90x45x45cm10 Bottom Mat, Glass Cover x 2, Glass Cover Holders x 890cm Standard NC (No Cover)90x45x45cm10 Bottom Mat120cm Standard (with Cover)120x50x50cm12Bottom Mat, Glass Cover x 2, Glass Cover Holders x 8