Wayfair offers 12' Round Trampoline with Safety Enclosure for $156.21 (orig. $399.99) with free shipping.

Product Description:
TruJump wanted to design a trampoline that your whole family will love while having fun! The all-new TruJump12ft trampoline and enclosure combo are designed for a mid-size yard. With safety as our number one priority, TruJump's 12ft trampoline features a 6-pole safety enclosure net. Kids can exercise more--soaring to new heights of backyard fun while keeping safe inside the trampoline. This trampoline features a 220 lb. weight capacity with a durable, UV-resistant, trampoline park-quality jump map built on a thick-walled, double-galvanized steel frame. This 12ft trampoline can handle any trampoline exercise routine in your backyard.