1. Each manufacturer has its own measurement method. The product description page has detailed measurement methods and dimension tables. Please refer to the use. Do not select the size according to previous experience, so as to avoid errors. 2. The order amount is less than 5 US dollars. The default is to send economic logistics. If there is logistics demand, please add the shipping price difference.
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If you need wholesale purchases, please contact us. We will give you the most favorable price according to your demand. If you encounter any problems during the purchase process and after receiving the product, please contact us in time Communication, thanks

Pure manual measurement, there is 1-2cm error belongs to the normal range.