Primary note is B (Crown) 123Hz and a secondary Gs (Third Eye) 329Hz 
Weight 925g
Diametre 22CM
A Standard Bowl made specifically to align its central hole over a joint and be played softly - Place on a cloth and not directly onto the skin holding lightly in place with minimal downward pressure. Use in conjunction with GP advice if you are not qualified and trained.  
Comes with Standard Puja Stick and Second Class Postage.