IRIS 34'' Exercise 8-Panel Pet Playpen with Door, Frosty White The IRIS 34'' Exercise 8-Panel Pet Playpen with Door can be utilized indoors or outdoors; the pet playpen is portable and provides 21 square feet of exercise space for pets! Each panel measures 24.6"W x 34"H; door measurements 14.5''W x 20''H; the distance between bars is 1.5'' Dimensions: 63"L x 63"W x 34"H To create a more spacious exercise pet playpen, add IRIS 34'' Exercise 8-Panel Playpen Panel Add-On, White, ASIN: B0058RA4FG Made in the USA of durable, heavy-duty molded plastic, and the playpen will never rust.Material:Metal