X-Chef Stainless Steel Mixing Bowls Set of 5 with Lids, Nesting Bowls, Non-Slip Silicone Bottom with Measurement Marks for Stackable Storage PREMIUM QUALITY: Made of rust-resistant stainless steel with BPA-free silicone lids, X-Chef mixing bowls wont stain or absorb odor with 100% satisfaction guarantee. 5 SIZES: With gradual sizes of 1, 2, 2.5, 3.5, 4.5 quart, this bowl set is versatile and can be used to melt chocolate for baking, marinate for meal prep, serve salads or simply storage food. SCALED DESIGN: Mirror finish and volume measurement inside help busy housewives and chefs measure out and mixing ingredients at the same time effectively. NON-SLIP BOTTOM: Flat bottom with silicone coating is more stable for mixing, which prevents flipping or flying out when mixing hard, making it an easy job. EASY CLEAN & STORAGE: X-Chef nesting bowls are dishwasher safe and freezer safe. Lids-inside design seals tight and is stackable to fit in your kitchen cupboard.