It’s safety first with this 28” Insulating Jacket. Designed for the Blackstone 3 Burner Drop-In Griddle, this Insulation Jacket is essential when installing the Drop-In Griddle into a combustible enclosure such as an outdoor kitchen or BBQ Island. Constructed of durable 304 Stainless Steel with a water drainage system and cable utility routing port. This Insulating Jacket requires substructure support. Add a layer of seamless protection to your outdoor kitchen and enjoy the peace of mind it brings.