For our Normal Tape In Hair product, the standard size is 0.8mm x 4.0cm. Each piece weighs between 2.0 - 2.5 grams, and a bundle of 100g consists of 40 pieces. Of course, we're able to customize according to your specific requirements. We ensure that 100% of our ingredients are safe, and these extensions can be used for over 6 months. Our diverse selection of hair materials includes Remy hair, Raw Hair, and Single Donor Hair. Each type of material comes with a different price, catering to the unique needs of hair extension business owners.