INNOVATION: The package includes 4 soft, comfortable and non-slip mask extensions. Designed to hold the masks behind the head, which makes it much more comfortable, because when we take off the mask we can hang it on the neck. RELIEVE PAIN: Aims to eliminate the symptoms of atrial deformity, numbness and pain caused by prolonged use of masks. Reduces pressure and fatigue caused in the ears, irritation and headaches. SILICONE MATERIAL: Lightweight, with flexible silicone materials, which can be easily cleaned, reusable, non-allergic, non-toxic, perfectly fit your head, maximum comfort, adjustable belt, tasteless, long service life. Reduces the pain and pressure of wearing a mask in the ear for a long time. WIDE COMPATIBILITY: Our extensions are universal and compatible with various two-point connection type masks. They have 3 adjustable positions that can meet various needs from children to adults, suitable for different face sizes. REUSABLE: As they are made of soft elastics, it can be kept in a bag or pocket without taking up too much space. Designed to be sterilized up to 230C and reused. Number of pieces delivered: 4 Colour: grey, pink, transparent, blue Size: 158*15mm