6 panels encloses up to 18.5 sq. ft.. Freestanding, portable design sets up easily. Carrying strap is included. Opens easily for access to children. Non-slip design works on any surface. Suitable for indoor and outdoor use. Each panel is 30W x 26H inches. Space between panels is 2.25 inches wide. Diamond holes are 1.25W x 1.5H inches.