Mask: 55% Polyester, 28% Polyester with Copper Oxide, 14% Nylon, 3% Lycra® 
Ties: 72% Nylon, 25% Polyester, 3% Lycra® 

NOTE: Nightingale Masks contain copper and/or silver ions. Please discontinue use if irritation occurs. 

Tie Mask Into A Knot And Machine Wash Warm, Only Non-Chlorine Bleach When Needed, Tumble Dry Low.