This Twin Size Innerspring Mattress by Coaster is created to stand up to everyday use and it offers support and comfort. The mattress is resilient enough to support daily users/sleepers. This standard twin mattress is ideal for use in guest rooms, kids bedroom and is designed for use in twin beds, daybeds, pop-up trundles, roll-in trundles and link springs. Dimensions:Twin Mattress: 74"L x 39"W x 5-3/4"H Some assembly may be required. Please see product details.