Waterproof, sweatproof, anti-allergy, long-lasting. No trace and easy to clean. Ultra hold mini tape high quality waterproof double tape,Strong and Durable - Long lasting adhesion, used for wig Useing - Comfortable and healthy on your head, double sides adhesive tapes,Easy to Stick and Wash. Item Type:Wig Adhesives Film Model Number: Strong Hair Extension Adhesive Tape Style: With slitting Line Hold Time:2-4 weeks Application:Tape Extension/Toupee/Lace wig/Hair Piece length:9CM, Colloid length: 7.6CM, width: 2.2CM Material:glue colour:blue Package Contents: 4 pack x 36pcs Hair Double Sided Tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.