?What You Will Get?--- 1x Nylon Sport Band Replacement?Smart Watch and other accessories NOT INCLUDED?. We guarantee a 100% refund if you are not satisfied with the products and we provide 12 months warranty guaranty. Please feel free contact us if you have any problems, our support team is ready to assist you to solve the problem you met. ?Compatible Models?---This nylon watch band is compatible with Fitbit Versa 3/Fitbit Sense. It fits wrist size from 6.1in-8.3in(160-210mm), and you can adjust the nylon bands through to find the most suitable size. Free size fit for boys, girls, men and women in most occasions. ?Ideal Fitness Tracker Accessory?---The wear-resistant, ventilated design allows the wrist to remain cool and dry and sweat-proof during exercise. AVOD replacement strap is very suitable for men and women to sports, parties, business, sleeping or other activities. ?Adjustable & Secure Design?--- The unique nylon weave dense hook-and-loop design let you can adjust the band size as you like. It have durable clasps on both ends, which locks onto your Fitbit fitness tracker precisely and securely. After hundreds of pull tests, don't worry about falling off. ?Comfortable to Wear?--- This replacement sport strap is made of a tighter woven nylon which make it soft, breathable, durable and sturdy. The lightweight material will not let your wrist have any burden even if you are exercising. The straps is reinforced with fastening technology and will not fall off like other straps.