Twin box spring size

Polyether Mattress, Color: White, Filling: Memory Foam, Thickness Mattress: 8 "

Bunk Bed, 57.5x81.5", Color: Blue, White, Gray, Brown, Material: Pine, Height: 65 "

Coil Spring Mattress, Color: White, Filling: Memory Foam, Material: Polyester, Metal, Fabric, Thickness Mattress: 12 ", Firmness: Medium

Coil Spring Mattress, Color: White, Filling: Memory Foam, Thickness Mattress: 10 ", Firmness: Medium

Color: Black

Color: White, Filling: Memory Foam, Thickness Mattress: 10 ", Firmness: Soft