By Will & Well, and Uyii:

• Made of light breathable cotton fabric
• Designed and constructed with top and bottom support on nose and chin for better fit on user’s face
• Transparent panel made of PVC
• Elastic ear binds
• Choice of colours
• Washable

By Ramatex:

• Water repellent outer layer
• Reinforced high filtration middle layer
• Comfortable inner layer
• Transparent panel to show mouth of user
• Contour fitted
• Elastic ear binds
• Washable 30 times

Check out this article on Tech Able web app about “Unmasking the heroes behind the see-through masks”.