18 month conditionally refund or resend with any quality problems, life-time friendly customer service. ?Easy Installation?There are installation image and video on our product page and instruction is included in the package. Package included: 1 x apple watch band, 1 x removal tool kit, 1 x instruction manual and more pins. Compatible for Apple Watch Ultra 49mm, apple watch series 8/7/6/5/4/3/2/1 45mm 44mm 42mm. ?Adjustable Length?Twelve links can be removed. Fits 5.5”-9.1” (140-230mm) wrists, you can keep the original length or adjust it by adding and taking away links to suit you. If you need more links, pls contact us to get additional link bracelet kit. ?Folding Clasps?The custom butterfly closure folds neatly within the link bracelet. The hidden deployment buckle opens with a click of the two side buttons, without any special tools. ?Stainless Steel Bracelet?Inspired by the Iron Man, crafted from satin-brushed 316L steel stainless steel with folding buckle, the masculine, strong, flowing lines and sharp aesthetic gives it a harmonious visual unity.