Mask Design by Chapter # 1 Material 3 layers 3D Mask have 3 SET SET 1 3D Mask 1 pc (No Stap) SET 2 3D Mask with Starp (No Filter) SET 3 3D Mask with strap and PM. 2.5 2 PCS (With Filter PM. 2.5) Can wash by hand 30 times with soap bar. 3 Layers Fabric Mask (COVID-19 protective mask) Layer 1: Digital Printing Micro Fiber (Outside) Layer 2: Cotton Muslin Fabric Layer 3: Cotton Muslin Fabric (Inside) Layer 4 : PM 2.5 Filter (Mask with filter) Anti Droplet, water-proof and Dust-proof Fashion Mask. Have Adult Size There are new designs coming out constantly.