Sufficient Quantity: you get 40 pieces (20 pairs) of oxygen ear cannula cushions; Adequate quantity meet your uses and replacements, suitable for elderly, children and oxygen users Reliable and Comfortable: these ear protectors for oxygen tubing are mainly made of Polyester material, breathable and soft, washable and , can be applied for a several time, and provide you with a comfy using experience Easy to Apply: you just need to place the ear cannula cushions in the middle of the cannula, and fix it with the hook and loop fasteners design; Besides, this cushion can be placed on your face to prevent your cheek indentation discomfort or behind your ears to avoid ear soreness Avoid Direct Touch: the nasal cannula ear cushions create a layer between your skin and nasal oxygen cannula, and you not have soreness on your ears or nose caused by the hose pressing Multiple Applications: these oxygen tubing covers are not only suitable for nasal tubes and oxygen tubes, but also appropriate for sunglasses, eyeglasses, mask and others that need to be put on the ears for a long time Color: grey Material: Polyester Package Contents: 40Pcs x Nasal Cannula Ear Cushions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.