Product Information The Premium Stretch-to-Fit Mask is an upgrade of Stretch-to-Fit and still has a 3-layer mask and a pocket to replace the PM filter 2.5 as well as have two sizes that able to fit US Kids and Adults:
- Kids: 7.5-inch x 4.5-inch (19.05 cm x 11.5 cm).
- Adult: 8-inch x 5.23-inch (20.32 cm x 13.34 cm).
The two side strap is elastic to ensure they are suitable for all sizes. (*) NOTE: There is not included the PM 2.5 filter that comes along with the mask. Shipping Info
- Estimated Processing time: 2-6 business days.
- Estimated shipping time in US: 4-7 business days.
- Estimated shipping time in EU & UK: 10-13 business days.