The bands made of Comfortable Silicone material. There are air holes on the band make it more breathable and comfortable make it does not sweat on the arm when you workout. Our Bling Bling Bling Glitter Apple Watch Band 38mm designed for women. If you get bored of other band our bling silicone band is your choice. It is good for any occasion.It is soft and comfortable.It is good for Daily use Sports especially for Party to let you different from other people.also our iwatch band is water-resistence it is ok for swimming or in the rain. Our Silione Apple Watch Band for Women material used Best Silicone material from Japan. It is same material as Baby s feeder bottle Nipple. It is soft and comfortable to wear. The material is eco-friendly and skin-friendly.The material is Easy to clean like Baby s feeder Nipple only need use water to flush or clean by the soft cleaning cloth. The buckle is safe and secure buckle material is premium Stainless Steel material will never break. The band is approved by our buyer durable and reliable. The wrist size is fit for most people. 38mm wrist size is 5.5-8.2inch(140-208mm) 42mm wrist size is 5.5-8.5mm(140-215.9mm). package : 1* silicone (not include watch)