le fit and elastic ear bands in hypoallergenic fabric, with OEKO-TEX Class I certification.Only for personal use.Certified by EU Notified Body and manufactured according to UNE065 specification.Finishing and durability according to the CWA 17553 standardBacterial filtration efficiency: 90%.Highly resistant, up to 25 washing cycles.A minimum washing temperature of 60 degree C is recommended.Outside: 50% Cotton/ 50% Polyester. Inside: 100% Cotton. MOQ 100.