Hey Beautiful, Thank you for your interest in ordering a custom unit from The Angel Experience! Per your request, the following information should answer any questions that you have in regards to a custom unit:
*All custom units are 150%-180% density( (2-3)100g bundles) EXCEPT units longer than 20". Those units are made with 4 bundles.
*150%-180% density is a natural fullness
*Additional bundles can be added at an additional cost
*All lace units come with an elastic band and can be worn glueless or by securing the lace with hairspray if you do not want to use an adhesive
*All U-part units can be sewn on or worn with clips
*Combs can be added at an additional cost 
*All units are machine made on a breathable cap except for pronto(bonded) units
*HowTo video is coming soon!
*All units are FINAL SALE
*All units are machine made and require EXACT head measurements
*Please confirm measurements BEFORE full payment is made.
*Style CANNOT be changed once paid and confirmation message is sent
*Custom unit turnaround time is 10 BUSINESS DAYS
I hope these answered any questions that you may have. Thank you for trusting The Angel Experience to ensure you look good, feel good, and stay FABULOUS!