4.5oz, 100% Ring-Spun Cotton. Printed in the USA. (Heathers are 93/7 Cotton/Poly) • This eco-friendly water-based ink prints directly into the shirt fibers for a smooth feel that provides a less vibrant, lived-in look. (No cracking or peeling like screen printing or iron-on transfers) • For best results, wash inside out and on a gentle cycle in cold water.