🎶 Unleash Your Inner Virtuoso with Carlsson! Be part of a community that values quality and craftsmanship. Medium grade ensures reliable performance every time. Experience the rich tones of Carlsson's premium rosin. Foil wrapped in a sleek blue cup with a hinged lid. Preferred by jazz and classical musicians globally. Foil wrapped Medium grade Swedish quality Carlsson Bass Rosin is a medium-grade rosin specifically designed for upright string bass players. Renowned for its exceptional quality, it is favored by both jazz and classical musicians worldwide. The rosin comes foil-wrapped in a stylish blue cup with a convenient hinged lid, ensuring easy access and storage.