Here is a winning combination that will delight young campers indoors or out. The tent is made of flame-retardant 70 Denier nylon and has a durable, washable floor. The nylon mesh windows at the top add ventilation. Sturdy shock-corded poles make the tent easy to set up and take down. The tent floor measures 51 x 51 and has a height is 43. The set includes a 6 foot long and 19 diameter tunnel which will attach to either the side or back roll-up windows. The tunnel is constructed of spring steel with a nylon cover. Ages 3 - 9.By Pacific Play Tents