1. Mouse protection: Use it in autumn to protect yourself from mice and other rodents looking for a cozy refuge in winter. Prevent these small animals from eating honey, pollen, and bees, and damaging the honeycomb and stability of the hive. 2. PROTECTS THE BEEHIVE: A single entry reducer is enough to reduce the hive entrance, provides ventilation while also acting as a mice guard. It can stay on all year round, protecting against predators such as bees, wasps, and hornets. 3. Intelligent design for the movement of bees: One side has elongated holes that make it easier for the bees to pass through and allow the bee colony to defend themselves against intruders. There are small holes on the back that prevent bees from entering but allow air, ideal for the safe movement of a bee colony. 4. Iron materials: This product, made of galvanized iron, is safe and durable. Beehive insulation sheet size: approx. 39 x 6.5 cm / 15.35 x 2.55 inches. These components are designed for repeated use and provide longlasting durability.