PLA Tea Bag Thread in stock Main Uses Pyramid teabags Our thread have the following features: Excellent resistance (no attack) to dilute and concentrated mineral acids Excellent resistance (no attack) to dilute and concentrated alkalis Excellent resistance Unaffected Low flflammability Poor UV resistance Low moisture absorption rate Resistant to stainingPLA Tea Bag Thread in stock website:http://www.teabagpacking.com/tea-thread/pla-tea-bag-thread/