Dear Bigbirds customer:Due to manual measurements, there is the small size error, it would be about 2CM. Please allow this small manual measurement error. Thank you!If you cancel the order or other reason, all the refund will be back to your account within 7 -10 days through Aliexpress. About Payment:We accept alipay here.Any credit card or bank card by PayPal Payment and Bank Draft.All major credit cards are accepted through secure payment processor ESCROW.If you want to pay by any other way, please contact us before your payment. About feedback:If you are satisfied with the item while it is in good condition. we sincerely to invite you to leave us all 5-star rating positive feedback.If you are disatisfied with the item or service, please contact us first, we will try our best to help you sove the problem and provide best solution and work harder to give you more excellent service. Thank you!