Keep your mah jong tiles organized with this custom tile bag featuring our watercolor mahj tile artwork, Our t-bottom pouches vary from small to large and can be used for pretty much anything. They are constructed from a durable material with a zipper closure. .: 100% Polyester .: With non-woven laminate inside .: Multiple sizes .: Assembled in the USA from globally sourced parts .: Please note: Size tolerance 0.375" (0.9 cm) .: Please note: For better printing results, please avoid intricate designs. Due to the print technology, small texts and high-detail designs may turn out blurry