[Classic Mixing Bowl Sets] - Good looking! Smart design for better experience on preparing and organization. Size included 1.7qt, 2.5qt, 3.5qt and 4.5qt. [A+ grade BPA-free plastic] - Top Rack Dishwasher-safe, Microwave and Freezer-safe. We choose high quality material for this production, durable and solid as new between -4°F and 194°F. [Non-slip & non-stinky] -The rubber layer at the base will keep these batter bowls from skidding or slipping during mixing. Ingredients won’t stick with the bowl’s non-stick surface, making lengthy mixing less tiring. [Stackable] - Nesting design maximizes your storage and is great for kitchens with limited space. [Warranty] - You get one year guaranteed for most condition. And one-month replacement guaranteed, so no worries about shipment or any other unexpectings. Please do not hesitate to reach out to us with any issues. [Classic Mixing Bowl Sets] - Good looking! Smart design for better experience on preparing and organization. Size included 1.7qt, 2.5qt, 3.5qt and 4.5qt. [A+ grade BPA-free plastic] - Top Rack Dishwasher-safe, Microwave and Freezer-safe. We choose high quality material for this production, durable and solid as new between -4°F and 194°F. [Non-slip & non-stinky] -The rubber layer at the base will keep these batter bowls from skidding or slipping during mixing. Ingredients won’t stick with the bowl’s non-stick surface, making lengthy mixing less tiring. [Stackable] - Nesting design maximizes your storage and is great for kitchens with limited space. [Warranty] - You get one year guaranteed for most condition. And one-month replacement guaranteed, so no worries about shipment or any other unexpectings. Please do not hesitate to reach out to us with any issues.