Square Tempered Glass Flame Guard helps to prevent the flame from blowing around excessively, potentially causing damage. They also serve as a safety barrier while enhancing the elegance by reflecting the flames on the glass surface. Tempered glass with polished edges is heat resistant and designed specifically for their fire pits and drop-in fire pit burner pans. Features 100% Tempered Glass Safe and easy to Use Protects Flames on Windy Days Durably Constructed for Long Life Use Minimal Maintenance Details Materials: 100% Tempered Glass Order Includes: One Tempered Glass Guard ONLY Dimensions 17.5" Glass Guard Size: 4.72" W x 22" L x 7.87" H 17.5" Glass Guard Weight: 8.9 LBS. 22.5" Glass Guard Size: 4.72" W x 27.2" L x 7.87" H 22.5" Glass Guard Weight: 11.5 LBS. 28.5" Glass Guard Size:4.72" W x 33.1" L x 7.87" H 28.5" Glass Guard Weight: 14.5 LBS. 34.5" Glass Guard Size: 4.72" W x 39" L x 7.87" H 34.5" Glass Guard Weight: 17.6 LBS. 40.5" Glass Guard Size: 4.72" W x 45.3" L x 7.87" H 40.5" Glass Guard Weight: 21.6 LBS.