Just like clothes, your press on nail size can change from brand to brand, even between styles. Using a sizing kit is the recommended, easiest, fuss-free way to go! Check out the 'Add Ons Price List' page for more info. Not keen on ordering a sizing kit? No worries, we’ve got other ways to help you find your fit.Please be aware that Kuku Gallerie does not accept returns or refunds due to sizing errors.