5.BEST SERVICE:Refunds and exchanges within 30 days of payment,Feel free to contact us if you have problems when you choose our clip hair extensions.Please enjoy the best shopping experience. 4.Reshape Styling Freedom:You can be straightened, curled, dyed and restyled as your like.Please notice that the temperature should not over 180?.Frequent maintenance can make it last for a long time. 3.Purchase Warm Tips:7Pcs 16clips 70g/2.45oz/set.Usually 2 Packs is recommended for customers who want to add length & volume,advice 3 Packs if you want to full head. 2.Fashion Premium Clips:High quality metal clips covered with silicon are sewn into each weft firmly,These durable hair clips are easy to put in and take off ,no damage to your own hair,and feel comfortable. 1.Human Hair Clip in Hair Extensions:Jiameisi clip-ins are hand-crafted product and made of 100% Remy human hair which will feels as silky and smooth as your own hair.