Keep your sleep environment clean and secure with the Bloom Essentials Box Spring Encasement, designed to deliver all-around protection. This breathable and waterproof encasement fully surrounds your box spring, acting as a barrier against bed bugs, allergens, moisture, and dust mites—so you can rest without worry. Universal fit: Accommodates box springs up to 10 inches in depth. Bed bug resistant: Features a tightly woven micron zipper to block pests from getting in. Liquid protection: Fully waterproof to safeguard against spills and stains.