Spacious Built-in Storage Shelves – Features an integrated three-in-one shelving unit adjacent to both upper and lower bunks, offering organized space for books, decor, bedtime essentials, and more, keeping daily items neatly within reach. 【Easy to Contact Us】If there is any problem with this product, please visit our website Merax.com or contact us via this email: csr@merax.com, call us: 626-912-8886 Smart Space-Saving Design – Combining a twin upper bed with a full-size lower bed, this bunk bed optimizes bedroom layout by freeing up valuable floor area for other furniture, while its integrated storage staircase provides additional room for clothes, toys, or linens. Integrated Charging Station – Equipped with 2 standard AC outlets and 2 USB ports, the built-in charging station allows you to power laptops, tablets, phones, and other devices safely from bed—perfect for remote work, late-night studying, or relaxing with entertainment. Versatile Sleeping & Guest Ready – Includes a convenient twin-sized trundle bed that slides out effortlessly, offering flexible sleeping space for sleepovers, guests, or extra family members while maximizing room utility when not in use. Durable & Sturdy Build – Crafted from solid pine wood and reinforced MDF, this bunk bed ensures long-lasting stability, high weight capacity, and reliable safety for both children and adults, backed by a robust structure designed for everyday use.