⭐【Size】18mm Watch Band (Buckle width: 16mm)Fit wrists: 5.75" to 8.0". Long Belt Length: 120mm, Short Belt Length: 75mm; Front End Thickness：2.8mm, Rear End Thickness：4.8mm. ⭐【Top quality】Selected high quality leather with 316L stainless steel Butterfly Buckle. First layer cowhide leather with water resistant lining is breathable,sweat and water resistant; soft to wear. Premium material provides more comfortable wearing experience. ⭐【Deployment Buckle】The 316L stainless steel, anti allergy, precision polishing technology, beautiful appearance, durable, simple and elegant hollow device.Easy to open by double-clicking the switch. ⭐【 Compatible WATCH】Classical design styles and Compatible with any traditional or smart watch that uses 18mm spring bars. Package Included: 1 x Calf Grain band with 316L stainless steel Deployment Buckle ; 4 x Spring bar pins ; 1 x Spring bar installation tool ; 1 x Installation Manual ; 1 x Wipe cloth ; 1 x Luxury Packaging. ⭐【After sale】If you encounter any problems, please feel free to contact us. Our customer service representatives are always ready to serve you! If your band has any quality problems, we will replace it or refund you immediately. Dimension: 18mm Length: 75mm Applicable wrist: 125mm-190mm Dimension: 19mm Length: 75mm 120mm Applicable wrist: 125mm-195mm Dimension: 20mm Length: 75mm 125mm Applicable wrist: 125mm-200mm Dimensions: 21mm Length: 75mm 125mm Applicable wrist: 127mm-200mm Dimensions: 22mm Length: 75mm 125mm Applicable wrist: 129mm-200mm Dimensions : 23mm Length: 75mm 125mm Applicable wrist: 129mm-200 mm Dimensions: 24mm Length: 75mm 125mm Applicable wrist: 128mm-200mm 1.Clasp type:Deployment Buckle,double click the switch to make the firm more smoothly closed Butterfly 2.Technology:hand cut, dyed and stitching Package included: 1 x Leather watch band strap with butterfly buckle 1 x Spring bar tool 4 x Spring bar pins 1 x Luxury Packaging NOTE: The watch belt is waterproof and sweat proof, but clean by machine not suggested. Please do not wear the watch strap for longtime underwater activities - such as shower, swimming, ect. Our Service: If you happen to run into any problem, please don't hesitate to contact us. Our customer service representatives are always ready to help! One email or picture. If your band has any quality issues, please kindly contact for a replacement.