Warm Tips: Before using the tape in extensions, please don't use hair conditioner on your hair that may cause the tape position fail to stick strong. Don't wash the tape hair within 72 hours after applying. It's better to condition the hair extension regularly, that will help longer the using time of it. Perfect Colour Match: Easyouth hair extensions can provide you multiple colour combinations, which covers from jet black to white blonde, from highlight to balayage. There will be slight colour difference between different monitors, so we recommend you take a picture of your own hair and use it to compare with the product picture. Specifications: Easyouth tape in hair extensions human hair lengths from 12 inch to 24 inch, 20 pieces per pack, 12 inch weighs 30g, 14-18 inch weighs 40g, 20-24 inch weighs 50g. Depending on the length, each piece weighs from 1.5g to 2.5g, so you won’t feel heavy or slide off. We recommend 3-4 packs if you want a full head fuller hair. Preminum Quality Tape ins: Using hypoallergenic double-sided tape, carefully selected by Easyouth, which is stronger, more durable and invisible with moderate heating. The tape can last up to 4-6 weeks and is easy to apply and remove without hurting your own hair. Remy Human Hair Extensions: Easyouth tape in hair extensions are made of 100% real human hair, which can keep shiny and soft, well blended just like your own hair. Can be washed, curled, straightened and dyed to darker colour.