The expandable square or rectangle ring has corners to prepare beautiful mousse or cream-based desserts, chocolate or fruit desserts. The mechanism is very simple for easy use, and the size of the ring can be adjusted to a square or rectangular shape as needed. Entirely made of stainless steel, the square ring is sturdy, durable and undeformable. Turning out is made easier by the flexibility of the material. It can be completely taken apart, making cleaning extremely simple. Dishwasher-safe.