100% brand new and high quality. Compatibility: D4510 D12013 D12013W D12523 D17525 D18 D19523 D19545 D20523 D20545 OC18 OC20 D8011 D9525 D9511 D25 D30 D32 Type4739 3709 3728 3738 Wedge-shape design, 360 degree without dead corner cleaning and protecting your tooth The blue-green slices on the brush heads can remove plaque Material: Nylon Bristle type: Soft bristle Quantity: 4pcs Item size: 6cm * 0.8cm / 2.36 * 0.32in Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 4pcs Toothbrushes in one pack