Topfund Frosted White Perfect F Heart Chakra 10 Crystal Singing Bowl MIB. Topfund White Frosted Crystal Singing Bowl 10 inches F Heart Chakra. Perfect pitch bowls are sought after and more valuable as they require extra work and tuning to make them perfect pitch. Mallet, O-ring and instructions paper included. Gently used by the previous owner. The box has some marker writing as pictured. Thank you for checking. We are listing several wonderful collectibles. We describe as best as we can and take as many photos as possible. All photos are of the actual item and are essential part of the description. Many of our items are vintage and pre-owned and may have some wear. We will be more than happy to answer your inquiries.