full title: Kids Baby Washable Cotton Anti Dust Reusable Comfortable Ear Loop Adjustable Pm2.5 Dustproof Windproof Outdoor for Students (1pcs Gray+2 x Filter)
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Stretchy: Elastic strap makes it easy and comfortable to wear, won’t crack and won’t hurt your ears. Free size
Comfortable: The material chosen is high quality, which is soft and skin friendly to wear
Breathable: The Dustproof Product is designed in cotton material, making you breathe freely, really comfortable
One size fit most people,it suitable for kids.