Beige vegan leather plush coat w/ belt

I purchased this lovely coat but it's two sizes too big for me, and I tried to exchange it but I was over the timeframe to. Bummed! It's a Size 8 (see measurement chart), tags still on and in original packaging. Puffer Jacket Silhouette High Shine Fabric Vegan Leather Panelling Plush Detail Biker Style Buckles Vegan Leather Belt Silver Manière De Voir Branded Zip Silver Manière De Voir Eiffel Plaque Silver and Vegan Leather 3D Manière De Voir Plaque Fabric: 55% Polyester, 45% PU / 100% Polyester