Base Design: Ultra Thin Skin/All Super Thin Skin V-Loop. (0.04mm-0.06mm Thickness, may also be cut down to any size.)Model Number: Super Thin Skin V-LoopHair Type/ Material: Indian Remy Virgin Hair Hair Length: 6″ inches Hair Wave: 32mm, Slight Wave Hair Style: Free Style Made Method: Hand Tied Can Be Customized: Yes Attention Even if the super thin skin is comfortable and well liked by many, it’s also fragile and may not last so long as PAPY thin skin which is similar but more durable. The average time for super thin skin is about a month whereas PAPY must last up to 3 months. It is vital that one visits with a specialist that can provide you with excellent service and will teach you how to deal with your unit properly. Link for PAPY: https://www.ebay.com/itm/223501248142 Notice: #250 Means Color = color #2 darkest brown with 50% Gray Hair.Gray Hair Type: Synthetic FiberSize base included the border and the a part of lace with no hairTips:Please carefully inspect your unit prior to installing, cutting, coloring or making any adjustments. If any changes have been made, or the unit has been used, we will be able to not accept any returns. For base size, if you choose 8*6″length by width. The measurement for length is from front folded lace to back.To make sure the best performance and purchase experience, we recommend consult with a professional to get accurate color and size. We like to provide you with the best quality of our product. Please feel free to message me for any question and problem after purchase. Thank you.