Medium - Earphones Plus brand replacement earphone tips custom fit assortment: memory foam earbuds, triple flange ear tips, and standard replacement ear cushions (Please see product details for connector sizes) For ear canal fitting earphones with connection size of approximately 11/64" (4.2mm) up to 7/32" (5.5mm) IF A SLIGHTLY LARGER SIZE CONNECTOR HOLE IS NEEDED - use keyword M-TRI2-SQ2-C6-BLK or M-TRI2-SQ2-C6-CLR (clear version) 2 pairs, silicone tri-level tips, 6 pair silicone standard tips, and 2 pair memory foam earbuds Each model also sold separately on Amazon - click on the EarphonesPlus link above Same assortment in other sizes (use SKU as keyword): Extra Small - XS-TRI2-SQ2-B6-BLK; Small - S-TRI2-SQ2-B6-BLK; Large - L-TRI2-SQ2-B6-BLK