WATCH STRAP:It is a stylish, soft and breathable watch accessory which can be used either in wet or hot weather.It is of good quality and reliable, and with its durable, dirt & wet resistant features, you can enjoy yourself with no concern while doing fitness, swimming, diving,or climbing.It can even hold your watch when one of the spring bars break. LENGTH AND THICKNESS:This strap is also Non-Allergenic , which means men, boys, women, and Hercules.Using 1.6mm thick nylon material, it will keep the watch to wrist better, not slip easily. SIZE: Length: about 250-285mm; Flange 16MM, corresponding to the band 22MM width. AWESOME MATERIAL: Premium Ballistic nylon webbing and Black stainless steel make it comfortable to wear.Advanced laser heat sealed technical makes it smooth and not scratch hands.Also it is WATERPROOF and DURABLE, so it can be washed repeatedly, easy dry and worn 24 hours/365 days. EASY TO INSTALL: You can adjust the length or change the way you wear it.There are install instrctions on the images.Notice:If you failed to make the watch band go through the spring bars,please remove the bars first,press the band to the back and then install the spring bars. Notice: Please be aware that this watch band is not suitable for watches with sensors.Please feel free to contact our Service if you are not satisfied with the watch band you received.We will help you to solve it in a short time and give you a satisfactory after-sales service.