Why Choose this Bunk Bed? Bunk beds are extremely popular in children's bedrooms as well as in the guestrooms. Moreover, dorm rooms, and other places where space is shared for sleeping. Twin over king bunk beds are made in such a way that mostly 3 persons can comfortably sleep in these. Bunk beds twin over twin can easily covert into bunk beds twin over king size, suit for those families who has more than 2 kids; bunk beds with trundle for over night guest. Wood bunk beds for kids,solid pine wood frame + manufactured wood, features a sturdy high quality solid wood construction for durability and high load capacity, ensuring longevity; Kids bunk beds with full-length guardrail for your kids' safety concerns. Twin size upper bed and king size lower bed, which makes this bunk beds more stable and secure structure as it displays a high level of stability and stands firm on the floor despite the children or individuals going up and down the bed. This bunk beds features timeless styling that will last for years and is also easily converted into twin over twin bunk beds for versatility. There is no need for a box spring as the 10 sturdy slats offer plenty of mattress support. This great space saving bed is the perfect solution for a growing fami. Specification Material: Pine wood+MDF Size: Twin over twin/Full/King Colour: White/ Espresso Numbers of slat(upper/down): 10" Numbers of slat(trundle): 8" Function: Pull - out bed Decoration: With wheels Numbers of package: 2 Spring box: No need Assembly Required: Yes Dimensions Top Bunk: 40.4" x 79.5" Bottom Bunk: 40.4" x 79.5"(Twin over Twin) or 77.5" x 79.5"(Twin over King) Total Height: 59.8" Weight Capacity Top Bunk: 150 Lbs Bottom Bunk: 200 lbs(Twin over Twin) or 400 lbs(Twin over King) Trundle Bed: 200 Lbs