<div class="column-left"><h3>Construction</h3> <ul> <li>Expertly crafted from solid pine wood, pine wood veneers on select finishes and engineered wood.</li> <li>Slat-roll foundation is designed for use without a box spring; do not use a box spring on the top bunk.</li> <li>All wood is kiln dried for added strength and lasting beauty.</li> <li>Made in a Fair Trade Certified™ factory, supporting fair and safe labor practices and empowering workers to invest in their communities.</li> <li>Top and bottom beds require a twin-sized mattress (sold separately) for each one.</li> <li>A bunk mattress (sold separately) must be used on the upper bunk.</li> <li><a href="https://www.potterybarnkids.com/shop/furniture/kids-mattresses/">Complete your bed. Shop our favorite mattresses</a>.</li> </ul> </div> <div class="column-right"><h3>Care & Safety</h3> <ul> <li>Do not use box spring on either bunk.</li> <li>Maximum mattress height on both beds: 7.5".</li> <li>Recommended maximum weight top bed: 250 lbs.</li> <li>Recommended maximum weight bottom bed: 250 lbs.</li> <li>All Pottery barn kids juvenile products are tested at 3rd party CPSC accredited labs to meet or exceed all industry voluntarily and regulatory safety requirements.</li> <li>The Consumer Product Safety Commission recommends that top bunks not be used for children under 6 years of age.</li> <li>To protect the finish, do not apply abrasives or household cleaners.</li> </ul> <h3>Assembly</h3> <ul> <li><a href="https://assets.pkimgs.com/pkimgs/rk/images/i/202047/0010/images/tips-and-ideas/pdf/instructions/treehouse_twin_bunk.pdf">View Assembly Instructions</a></li> </ul> </div>