Gum GUM Perio Pro Care Gum Care Electric Toothbrush Replacement Brush SP01 Set of 2 GUM Toothbrush Replacement Brush Round type 2 pieces x 2 sets Combined set Please make sure to check if it is compatible with your toothbrush! If using Yu-Packet Post Mini, it's a little long and won't fit in the envelope, so I will cut it at the halfway perforation! Stored at home, unopened and new, but there is some damage to the packaging. Please consider this if you don't mind.