The small round silicone circle is to place under your pitcher to avoid slipping and sliding while mixing. if you have the whip n mix tools from the super sonic, you can remove the tip white part and place the whipper inside for clean... no mess whipping. Great for making batter for any type of baking or whipped cream. Tupperware Mix-N-Stor Measuring Pitcher with insert splash guard lid 2 qt./2 L. Great for mixing batters, storing pancake batter The removable anti-skid ring keeps pitcher stable Customary and metric measurements are molded into the measuring pitcher sides BPA Free; Dishwasher Safe