Material and durability Made from high-quality polypropylene (PP) for strong weather resistance and long service life. Lightweight, compact construction makes handling and transport simple while remaining eco-friendly. Built for repeated use in outdoor apiary conditions to protect your investment in hives and colonies. Improved hive protection and climate control Unique sliding entrance design lets you adjust the nest door size quickly and securely. Limits heat loss and helps prevent the inside of the hive from freezing in cold weather. Adds an anti-theft layer of protection by controlling access to the hive entrance. Easy to use and maintain Precise left-to-right paddle adjustment lets you control entrance width to match colony strength and activity. Attaches with screws for a secure fit and straightforward installation or removal. Simple adjustments and robust construction reduce routine maintenance time for beekeepers. Pest and predator defense Acts as a barrier against ants and mice at the hive entrance, reducing invasions that stress or damage colonies. Supports colony health and stability by reducing pest pressure and promoting a balanced apiary ecosystem. Practical applications / use scenarios Winter protection: Narrow the entrance and retain hive warmth during cold months to reduce freezing risk. Colony management: Gradually open the entrance width during spring buildup or after installing a new nucleus to control traffic and protect young broods. Pest prevention at remote or exposed sites: Install on hives in areas with known ant or mouse activity to cut down on intrusions and associated colony losses. What makes this product stand out Durable PP construction, adjustable sliding design, and screw-mounted secure fitting combine climate control, pest prevention, and user-friendly operation into one tool for routine apiary management. Practical for a range of beekeeping needs without complex parts or frequent replacement.