A calendered film and/or sheet comprising a polyester composition comprising: at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 80 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 20 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 38 to about 90 mole % ethylene glycol residues; (iii) about 0 to about 20 mole % of any other modifying glycols; or (b) a glycol component comprising: (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 58 to about 90 mole % ethylene glycol residues; and wherein the total mole % of the dicarboxylic acid component is 100 mole %, wherein the total mole % of the glycol component is 100 mole %; and wherein the inherent viscosity of the polyester is from 0.50 to 0.80 dL/g as determined in 60/40 (wt/wt) phenol/ tetrachloroethane at a concentration of 0.25 g/50 ml at 25°C; and wherein the polyester has a Tg of 80°C to less than 100°C or 80°C to 98°C determined as specified in the description; and at least one release additive; and wherein said at least one polyester further comprises a catalyst/stabilizer component which comprises: (i) titanium atoms in the range of 10-50 ppm based on total polymer weight and manganese atoms in the range of 10-100 ppm based on total polymer weight, and (ii) phosphorus atoms in the range of 10-200 ppm based on total polymer weight; and wherein the polyester is amorphous; or wherein the polyester has a crystallization half-time of greater than 5 minutes. at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 80 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 20 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 38 to about 90 mole % ethylene glycol residues; (iii) about 0 to about 20 mole % of any other modifying glycols; or (b) a glycol component comprising: (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 58 to about 90 mole % ethylene glycol residues; and wherein the total mole % of the dicarboxylic acid component is 100 mole %, wherein the total mole % of the glycol component is 100 mole %; and wherein the inherent viscosity of the polyester is from 0.50 to 0.80 dL/g as determined in 60/40 (wt/wt) phenol/ tetrachloroethane at a concentration of 0.25 g/50 ml at 25°C; and wherein the polyester has a Tg of 80°C to less than 100°C or 80°C to 98°C determined as specified in the description; and (a) a dicarboxylic acid component comprising: (i) about 80 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 20 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (i) about 80 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 20 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 38 to about 90 mole % ethylene glycol residues; (iii) about 0 to about 20 mole % of any other modifying glycols; or (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 38 to about 90 mole % ethylene glycol residues; (iii) about 0 to about 20 mole % of any other modifying glycols; or (b) a glycol component comprising: (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 58 to about 90 mole % ethylene glycol residues; (i) about 10 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 58 to about 90 mole % ethylene glycol residues; at least one release additive; and wherein said at least one polyester further comprises a catalyst/stabilizer component which comprises: (i) titanium atoms in the range of 10-50 ppm based on total polymer weight and manganese atoms in the range of 10-100 ppm based on total polymer weight, and (ii) phosphorus atoms in the range of 10-200 ppm based on total polymer weight; and wherein the polyester is amorphous; or wherein the polyester has a crystallization half-time of greater than 5 minutes. wherein said at least one polyester further comprises a catalyst/stabilizer component which comprises: (i) titanium atoms in the range of 10-50 ppm based on total polymer weight and manganese atoms in the range of 10-100 ppm based on total polymer weight, and (ii) phosphorus atoms in the range of 10-200 ppm based on total polymer weight; and wherein the polyester is amorphous; or wherein the polyester has a crystallization half-time of greater than 5 minutes.