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 100g bundle contains approximately 40 pieces. We also offer customization options to meet your specific needs. Our extensions are made from 100% safe, high-quality materials and can last for over 6 months with proper care. We offer a range of hair types, including Remy hair, Raw Hair, and Single Donor Hair, with varying prices to accommodate the diverse needs of hair extension business owners.