Note: For models 640 and 641, the main image and detail images linked are pictures taken during the proofing process, with text on the heel strap.After production, the heel strap is made of leather without any text.(If needed, you can take a picture yourself later.) Here is a picture of the back heel made of leather without text, size 640 Purchase Instructions 1. Color? Size? 640 this model in one color (black), sizes 21-30 641 This style in one color (black), sizes 21-30 2. Inner length and weight Scroll down the page to find the size and weight chart.Inner Length Measurement Method: We use a soft tape measure to measure inside the shoe, not the insole or sole. Inner length = foot length + allowance (0.5~1cm). If you have wide feet, please choose one size larger; Weight Measurement Method: The net weight of one pair of shoes (without shoe box). This model of shoes is shipped with a shoe box from the factory, so the shipping weight is greater than the weight in the table 3. Shipment We default to using STO and do not specify the company (if the customer insists on using another, please cover the shipping cost difference or choose cash on delivery). We can also ship with Aneng, Best Express, and YTO.We collect orders in the evening, and occasionally there may be temporary shortages for 1-3 days. If your order cannot be shipped within 72 hours after placing it, we will notify you via phone or message. If you cannot wait, you can apply for a refund. 4. Is it in stock? The inventory is not accurate (customers are picking up goods offline, not updated in real-time). The products sold are produced and sold year-round, and any missing codes will be replenished as soon as possible. If there are goods that have not arrived for a long time, you can consult customer service. We distribute goods based on the order of payment received. 5. After-sales service Due to customer service taking a long time to respond to customer inquiries, they may not notify the situation immediately (please be cautious if concerned). Please check your own shipping status and follow-up information. If you have any questions, you can leave a message for Wangwang, and customer service will assist you after seeing it 6. Return and Exchange Shipping fee not accepted for cash on delivery, thank you If the return is due to our quality issues, we will cover the return postage. Please inform customer service first to register. The buyer needs to pay for the return postage initially, and after we receive and verify the returned item, we will transfer the payment back to you.Postage Compensation Standard: The postage paid for sending to you depends on the specific quantity and shipping cost; the return postage should not exceed the original postage (please be cautious if concerned); if the return is due to personal reasons of the buyer, the buyer is responsible for the postage and should not apply for a postage refund as customer service will not approve it 7、 Dear customer, if you need this item, please contact us first before placing an order. After communicating and reaching an agreement, we can proceed with the order. If you place an order without contacting us, we may cancel it unilaterally. Thank you for your understanding Product Business Card Product Information Product brand: COMFY KIDS Style: Martin Boots Item number: 641 Color: Black Fabric: PU Product Index Thickness Index: Standard Thickness, Extra Thick Breathability Index: Moderately Breathable Tube Height Index: Low Tube, Medium Tube, High Tube Available Colors 640 black 641 black Size Chart Product Detailed Image 21-30 yards