Imagination Generation Pop Up Ball Pit Tent with Ball Pit (400 Balls) Extra roomy & accessible: 30 inches tall and over 4 feet wide with 5 mesh windows that are over 2 feet wideso your kids can see and be seen No hassle: simple, pop-up assembly that sets up in seconds and folds flat into convenient zippered storage bag when not in use Premium: our vibrant, colorful plastic balls are soft and filled with air so they are comfortable and have lots of give. No pinching, no pain Crushproof: remarkably tough! despite the softness, our plastic balls withstand heavy compression without crushing, Splitting or popping Large and in charge: with nearly a 3" diameter, these aren't the miniature ball pit balls many other listings offer