These are eco-friendly scrubbers made with antibacterial and deodorizing acrylic yarn. Piyo: Dark Yellow Frog: Yellow-green, Green With loop. Double-layered for durability and long-lasting use! Popular types (*^^*) Please read the self-introduction before purchasing. I will list them with your preferred combination, so feel free to comment (^^) I also sell various other acrylic scrubbers #Nekoyama