[HDB-100pcs]Black Color Mailer Envelopes,Envelope Bags,Plastic Bags,Poly Mailers,Poly Envelope,Polymailers,Shipping Bag,Plastic Mailer Bags,Cello,Post,Express Bag (18X25Cm/7.0X9.8inch) Availability: 14 ~ 21 business days Country of Manufacture: (Seoul) Korea, Republic of Color : Black Color Poly Mailer Envelopes [ 100pcs ] Material :HDPE (High - Density Polyethylene) Hot-Melt Self Sealing Adhesive