Your first order of our custom-molded products must always be supplemented with 3D scanning of your ears (New), ear impressions or another custom-molded product you already have. See www.hypear.com for more information. 2 custom-molded earplugs that replace the standard tips (XS,S,M,L,XL) that come with your In-Ear headphones (1 for headset). (The headphones in the image are not included.) Design: Tube-shaped curved sound channel with constant diameter. Connection adapted to your existing In-Ear headphones/headsets. Material: Skin-friendly silicone Hardness: 40 Shore A Surface treatment: Skin-friendly anti-bacterial silicone lacquer (transparent) Marking: Right 'R' and Left 'L' Color choice: Transparent, black, red, white (60 Shore A), neon colors (green, yellow, orange, pink)