They are a bit bigger than I thought so if you want smaller ones, make sure you order the right size. I like that my ears don't turn green when wearing them nor do they itch. Very happy.
Contains at least 95% recycled material.
As certified by

Recycled Claim Standard 100
Recycled Claim Standard 100 (RCS100) certified products contain recycled content (>95%) that has been independently verified at each stage of the supply chain, from the source to the final product. The purchase of Recycled Claim Standard (RCS) certified products demonstrates demand for recycled materials. A product must contain at least 50% certified RCS100 material to qualify for Climate Pledge Friendly.
Certification Body
Intertek
Certification Number
TE-00081220