1.because it is manual measurement, the size will be 0.2-10mm error. 2.Product true colors, textures and images 98% identical, factory supply. Since the band width is not the same, so the length of the band will be different. If you strap length is required, please leave a message. Usually Strap width 12mm-24mm, Band length 18cm-22cm. We measured criteria are: width is 20mm, a length of about 21.5cm Material: PU Size: l about 20.8cm Width: 20/22/24/26/28/30 mm optional Thickness: thin about 4.54 mm Features: Spot wholesale, strap strong texture excellent, good flexibility, careful workmanship 20/22/24/26 /28/30MM Large women watches straps 24mm 2017 hot fashion Men bracelets and watchbands relogios masculinos A017 Picture real shot, without the consent, please do not copy my photos, thanks 1. Items will be shipped within 1-3 business days after we verify your payment. 2. Please tell me your current address after your payment within 1-2 days; otherwise,we will ship your item based on your Escrow address, so make sure it is correct. 3. Sometimes it would be longer because of the bad weather, a waste of time in customs clearance. Thus please wait patiently when you do not receive your item on time. If you want a refund because of the item defect or some other quality problems, please contact us within 7 days after you get it. the fee relating to the reback mailing should be overtaken by yourself.