Sold as a set of two. Vandoren VK1 are high-quality synthetic reeds for clarinet. They are durable and provide a stable tone. For Bb clarinet. - Brand: Vandoren - Model Name: VK1 - Type: Synthetic Reed - Instrument: Clarinet - Key: Bb - Size: 45 I purchased these and played them only once, but they felt a bit thick, so I'm putting them up for sale. They have been disinfected with food-grade alcohol, so you can use them with confidence.