1Size: It has an adjustable buckle with an adjustable length of 11-20 cm (4.3-7.9 inches), suitable for the wrist size of 4.5-9.5 inches, with strong super elastic elasticity, easy to put on or take off it. 2Daily Exercise: Suitable for all-day exercise and regular wear. During exercise, the elastic band can keep your watch close to your wrist for better exercise readings. Breathable and easy to wash, sweating and not smelly. It will not irritate your skin when it is hot or sweaty, so it can be worn comfortably on your wrist. 3Soft Material: Our elastic nylon hair band strap is made of elastic woven polyester, stainless steel buckle, and elastic design. Easy to clean and stay on your wrist. It is comfortable, light and super cute. 4Flexible Design: This elastic strap will bring you a new experience, the elastic strap is designed to fit the wrist. No buckle, easy to put on and take off. 5Skin-friendly Material: The wristband is made of 100% elastic woven polyester, with stainless steel buckle, light weight and super comfortable! Specifications: Compatible models: This elastic nylon strap is compatible with Charge 5. (Only compatible for fitbit charge 5, not applicable to other models) Strap size: There is only one size, suitable for the wrist size 4.5-9.5 inches. Color: Rainbow, Pink Orange, Black, Arrow Flower, Burgundy, Green, Purple, Brown Package Included: 1*Strap Notes: Note: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in difference in color than it is in real life.