This KitchenAid 3-Piece Nesting Mixing Bowl Set drops from $34.99 to $19.34 at Amazon. This matches the lowest price available, and most sites sell KitchenAid bowl sets like this for at least $30. They come in the pictured Pistachio color and have a non-slip base. Shipping is free with Prime or when you spend $25. Otherwise it adds $5.99.