Instant set-up with patented EZ Twist Technology. Two sunroofs provide pop-up fun Three side windows Roll-up flap door for easy accessibolity Includes tunnel flap for crawl-through fun! Light-weight and portable-take it anywhere you go! Suitable for ages 3+ Materials: Non-woven,mesh and nylon bindings Dimensions:52"*26"*34"(H) Easy carry and cleaning.