These are replacement parts for the YouHa The One Collection Cups (same as Legendairy Cups in the USA). Please note the product image for the item number, and then choose the relevant item number you would like to purchase.
Sizing Insert Options
For sizes 18mm, 19mm, 22mm & 26mm consider Youha Inserts
For sizes 10mm, 13mm, 15mm, 17mm and 21mm consider Freemie inserts