Uranium Bull Flag ... fly it loud and proud! The flag won’t crease or shrink thanks to the polyester material and will last a long time. 100% polyester. Knitted fabric. Fabric weight: 4. 42 oz. /yd. ² (150 g/m²) . Print on one side. Double-fold hem. 2 iron grommets. Fabric is OEKO-TEX 100 standard certified. Product code #631. Disclaimer: This product is made on demand. No minimums.