... , water proofMiddle EPE foam: closed cell foam, high density, won't mildew or deformPE (polyethylene): not good as PVC, so ... to pay sample cost and shipping cost. We finish sample within 7 days after received 100% payment in advanceOrder Process:1. Negotiation ... complaints instantly, carefully, sincerely.We look forward long term business relationship.Our Trampoline has been approved by TUV/GS, CE ...