When you are investing in one of many twin size platform beds you are getting a bed frame that can sustain a mattress that measures roughly 35 to 39 inches in width and 75 to 80 inches in terms of length. Some XL twin size beds are available too where you can get mattresses sporting a longer length. Twin size beds are best suited for one individual; if you want to sleep more than one person in a bed you should opt for a full size, queen or king size bed frame, and mattress. br brExtra long twin platform bed frames are great for teens and older or tall adults; these types of beds are commonly offered in university dorm rooms for attending students. br brIf you shop online for twin size bed frames online you can compare prices, styles, colors, and bed features with considerable ease. You should review any return policies offered by a seller and you should work with a company that offers low price matching options. You should also carefully assess the shipping solutions provided. br brFor more information, you can visit PlatformBedExpert with many reviews of platform bed that available on Amazon