Shelf Glas W11188040 freezer shelf made of high precision process 9H hardness Tempered Glass,3mm thickness reinforcement glass. Freezer glass shelf have good bearing performance,stronger and tougher than ordinary materials. glass Shelf frame on both sides is made of food grade material, which is durable and safe. To ensure proper fit before ordering, please measure the area in which the glass fits before ordering to ensure a proper fit. The replacement glass insert is 17-5/16" Wide x 16-3/8" Deep. Compatible with Whirlpool, Maytag, KitchenAid, Ikea Refrigerator. The W11188040 Whirlpool Refrigerator Glass Shelf is a must-have kitchen necessity. This shelf is a durable and long- lasting addition to any refrigerator. With its sleek and stylish design, this shelf easily pairs with any fridge décor. It features tempered glass construction and two white plastic shelf liners that provide a smooth surface for items. In addition, the shelf easily slides in and out for easy access and storage of items.