✔【Strong Solid Wood Construction】 This captain's style bed is made of 100% pine wood with strong mattress support . Max 330 lb weight capacity heavy duty of bed or trundle bed safely holds toddlers,kids, children teens and adults. ✔【No Box Spring Needed】 The storage bed features an arched headboard and footboard with vertical slats, and it can accommodate the mattress, no box spring needed. ✔【Pull-out Twin size trundle】 It is easy to create that extra sleep space when needed with the pull-out trundle bed. Ideal for accommodating guests or for family with several kids.