The Space-Saving Butterfly Frameless Bi-Fold Door Provides Convenient Wide Walk-In Opening Into Your Shower. Reversible For Either Left Or Right Door Opening This Door Is A Great Bi-Fold Shower Door Solution For Your Bathroom Renovation Project. The Unique Frameless Design Of The Butterfly Door Gives This Door A Custom Glass Look. For Difficult Installations, The Butterfly Door Also Allows For Out-Of-Plumb And Width Adjustment Of Up To 1-Inch On Each Side. With Its Flexible Smart Design And Amazing Looks The Butterfly Frameless Bi-Fold Shower Door Is The Right Answer For Your Bathroom Renovation Project.