The plastic external body is shaped out of virgin food grade plastic (BPA FREE & FDA Approved ) & scratch resistant outer tough body. The texture body is gives you very elegant looks. This Casserole is very durable and handy product for daily usage. It has twist lock & Unock lid. This cassesrole is perfect for gifting or festive occassion. Washing Instructions : Use mild detergent for washing. Dry thoroughly after washing. General care : Do not attempt to separate the inner stainless steel container from its main body. Do not place the casserole over or in close proximity of fire. Tips for Optimum Use: Prior to storing hot food stuff, pre-condition the casserole by pouring a little hot water, rinse and empty contents. Similarly for cold articles, rinse with cold water. Transfer the food into the casserole as soon as it is. Do not use in Microwave . Special P.U. Insulates keeps contents warm for many hours. Mirrior Finish Stainless Steel Bowl .Aesthetically Designed Outer Body & Lid