Round trampoline, with HD-Plus safety pad The round gray trampoline Avyna PRO-LINE has a diameter of ø 430 cm and is equipped with a flexible jumping mat and a very firm and strong trampoline safety pad with an extra thick PVC layer. Avyna PRO-LINE trampolines belong to the high segment of trampolines and are excellently finished with great attention to the small details, including the heavy stitching and the firm attachment. The trampoline springs are very flexible and are completely covered by the thick gray trampoline safety pad. This results in excellent suspension and you notice that when jumping on the trampoline! The difference between an HD-Plus edge and our Pro-Line edge is that the HD-Plus edge is extra thick (3.5 cm) and has extra thick Vinyl (0.8 mm). The edges are also designed in such a way that no water remains on them. The high quality is characteristic of the HD-Plus edges. The gray safety pad is produced from a heavy quality PVC with an extra thick filling. The trampoline safety is guaranteed by the thick padding in the safety pad and the complete cover of the springs and the trampoline frame.