Made of medium-weight Tri-Max® polyester, this is the only trike cover guaranteed to be 100% waterproof. All seams are electronically heat sealed and have silver heat-resistant lower panels. Exclusive Perma-Venting® system prevents condensation buildup by allowing constant air circulation. 50" rear zipper gives access to trunk without cover removal. Snug-fitting, elasticized bottom has 1" grommets in center and at front wheel. Packed in included compression bag for the ultimate in compact storage.