VIVID BLUE AQUA Reflective Premium Outdoor Fire Glass Rock 1/2 inch – One Stop Outdoor. Premium quality fire glass by One Stop Outdoor is the perfect replacement for Fire Logs, stone, lava rock, etc. Modernize your fire feature with the color and size that fits your style and decor. We offer our glass in 4 convenient bag size options! Average fire features use around 15lbs of fire glass for optimum coverage, however every other company only offers 10lbs packages. INDOOR & OUTDOOR USE ::::::::. FIGURE OUT HOW MUCH GLASS YOU NEED —-> (Approximately): Fire pit & Fireplace Glass Formula (All measurements should be in inches) Round Firepit 1. Measure the diameter of fire pit. Refer to this as measurement A. A x A = B 3. Divide (B) by 25. B / 25 = C (25 is part of the formula used for all round firepits) 4. Multiply (C) by depth of glass. C x D = Total pounds of glass recommended Square and Rectangular Firepits 1. Measure Length and width of inside of fire pit to be filled. Multiply two dimensions L x W = B 3. Divide (B) by 22.5. B/22.5 = C (22.5 is part of the formula) 4. C x D = Total pounds of glass recommended Fireplace 1. Measure the width of fireplace. Measure across the center not the front opening. Multiply this dimension (A) by the depth of fireplace (B). A x B = C 3. Divide (C) by 20. C/20 = Z (20 is part of the formula for all size fireplaces) 4. Multiply (Z) by depth of glass. Z x D = Total pounds of glass recommended. Premium quality tempered fire glass – Check the product description for the equations to figure how much glass you will need! Vibrant Premium BLUE Reflective Color. 1/2-inch Approximate Glass Size Per Piece. The perfect alternative to fire Logs, stone, lava rock, ETC. The item “PREMIUM BLUE AQUA 1/2 Reflective Fireplace, Fire Pit Fireglass Glass Crystals” is in sale since Sunday, September 16, 2018. This item is in the category “Home & Garden\Home Improvement\Heating, Cooling & Air\Fireplaces & Stoves\Decorative Logs, Stone & Glass”. The seller is “one-stop-outdoor” and is located in Carlsbad, California. This item can be shipped to United States.