17cm = 6.7" 18cm = 7.1" 19cm = 7.5" 20cm = 7.9" 21cm = 8.3" Gift boxed in generic cotton filled gift box. Prices on these bracelets are already extremely low. Price is firm on these. It will come in generic gift box and if more than one purchased, they will come in same gift box unless per request. This item is guaranteed to be authentic and in new condition and at a fraction of the retail price. Thank you for stopping by.