A polymer comprises reaction product of (a) one or more diacid, diester thereof, glycolide, and (b) one or more polyol, wherein component (a) comprises glycolide or combinations thereof, and component (b) comprises one or more polyol comprising a mixture of 1,3-cyclohexanedimethanol and 1,4-cyclohexanedimethanol, or 2,2,4,4-tetramethyl-1,3-cyclobutanediol, or combinations thereof.