What fabric is naturally flame resistant?

The natural flame resistant fabrics are wool fabric, silk fabric and seaweed fabric. Among the three fabrics, seaweed fabric is the best eco friendly which burns slowly and extinguishes without odor and smoke. The LOI of seaweed fiber can reach 49.

Moreover, seaweed fabric is also naturally microbial resistant, skin moisturizing, skin friendly, emf shielding. It's a good choice for sensitive skin and also the best for children's sleepwear.