25 packets in one box

3M 06396 Adhesion Promoter, 25 Sponge Applicator Packets, not detectable by UV light. Same ingredients as 3M 4298 Adhesion Promoter Sponge Applicator Packets, detectable by UV light (search ASIN: B01G2AKDYE). Liquid primer for enhancing adhesion of 3M Acrylic Tapes. Packaged in convenient, single-use applicator packets. Strongly recommended for use with 3M double sided tape on exterior body side moldings, trim and claddings, particularly those parts made of injection molded plastics such as TPO and RIM. Use on common low surface energy plastics such as TPO, PPO, PP, PC, +ABS, etc.