【Complete 10-Frame Langstroth Compatibility】- Designed to industry-standard dimensions (16-1/4″ x 19-7/8″ x 9-5/8″), this box seamlessly integrates with all Langstroth hives. Includes 10 unassembled pine frames and 10 food-grade plastic foundation sheets pre-dipped in beeswax for quick bee acceptance.【Transparent Bee Window】- Our transparent observation window features integrated ventilation to safely monitor bee activity and hive conditions without intrusion. The design maintains natural airflow to regulate humidity and prevent harmful buildup while allowing visual tracking of honey production, colony health, and brood development. Ideal for stress-free inspections that preserve hive rhythms and enhance honey quality.【Heavy-Duty Beeswax Protection】- Every deep brood box is coated with a thick layer of 100% natural beeswax, offering superior waterproofing and weather resistance. This eliminates the need for toxic paint and ensures long-lasting protection against the elements, keeping hives dry and maintenance-free.【Premium Cedarwood Construction】- Crafted from high-quality cedarwood, this hive box resists warping, shrinking, and cracking. The ceda's natural stability strength guarantee years of reliable performance in harsh outdoor conditions.【Precision Dovetail Joints for Effortless Assembly】- Featuring pre-cut dovetail joints, this deep brood box assembles quickly and securely. The tight-fitting design ensures a sturdy structure that withstands wear and tear over time.【Honey Production Optimized】- Ideal for efficient honey storage and colony growth, this 10-frame deep brood box includes foundations for easy inspection. Its durable build and expert craftsmanship support beekeepers in maximizing yields while maintaining hive health.