Our reed diffusers are made with an eco-friendly base that is non-toxic, di-propylene glycol-free, made with 50% renewable resources, and is 100% biodegradable. Each diffuser comes with 3 flower reeds (made from the pith of the rice paper plant), 3 spiral reeds, and 2 straight reeds. Handmade in Milton, VT. Ethically Sourced, Responsibly Made When you purchase from us, you can enjoy your ambiance without worry.