(57) Abstract Objective As for this device the conservation mosquito which is used for the winter posture of the garden trees and the likeIt is something which offers the bar. Constitution As for protective cover of a garden trees of this device, wave of necessary heightMany wrinkle 2 is arrayed into form, adiabatic formation 1 is formed in profile,In the bellows condition sheet 3 which becomes the te, in the multiple steps of height direction the crossing over tsuIn te each wrinkle 2 consecutively perforation hole 4 or rope applying of notch channel 5 and the likeDistribution facilities doing means, it becomes. In addition, as the one for evergreen bellows condition shiCommunication distribution facilities doing the many air hole on the inside and outside surface of to, 3 those which becomeIt is offered.
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