Looking for Answers about iSi 3 Piece Orange Mixing Bowl Set?

Flexible rim forms spout anywhere when sides are squeezed for pouring directly into a narrow space like the bowl of a stand mixer; More rigid at the bottom for stability and leverage while mixing; Smooth inside, textured outside; Great for drizzling liquids in a smooth steady stream; Microwave safe and dishwasher safe; Heat resistant to 490°F; Ideal for adding ingredients into the narrow chute of a food processor or between the bowl and body of a stand mixer; Trio of sizes for mixing versatility: 1, 1.5, and 2 quart sizes