Size detail: total length of each hearing amplifier cleaning brush is approx. 50 mm/ 1.9 inches in length, and the brush is about 5 mm/ 0.2 inch long Hearing aid cleaning accessory: use the brush and wax loop to gently remove wax and skin debris from hearing aids, magnet design makes removing and inserting batteries easier, will not damage your hearing aid Package content: you will receive 6 pieces cleaning brush with wax loop, sufficient quantity for you to apply, you can carry them anywhere you may need it, like office, in the car, on the table, or in your change purse Soft material: our hearing aid cleaning brush is made of soft EVA, wont scratch and damage your hearing aid, but keep it clean thus serve you for a long time Practical hearing aid cleaning brush: with 5 bundle brushes for easier cleaning, it's very useful tool for hearing aid users, you can use it daily for hearing aid maintenance