12' Trampoline Enclosure Safety Net Fits For 12 FT. Round Frames Using 4 Poles or 2 Arches (poles not included) Creates a fun jumping experience without limiting visibility Ensures maximum safety by connecting The Net between the pad and jumping mat Highly durable Terylene-Quality Safety Net and easy to install Dual closure entry with zipper and buckles Flexible and Adjustable For 4 Straight Poles Or 2 arches