7STAR 12x15.5 Poly Mailers 1000 Pack – 2.75 Mil Extra Heavy Duty Self-Seal Shipping Bags

Step up to a larger size without stepping up in cost — 7STAR 12×15.5 Poly Mailers, 1,000 Pack at 2.75 mil extra heavy duty thickness. The 12×15.5 size is the sweet spot for hoodies, jeans, folded sweaters, multi-item apparel bundles, and anything that doesn't quite fit a 10×13 without cramming.

Self-seal peel-and-stick closure — tamper-evident, professional, and consistent on every single bag. Opaque white exterior. Co-ex black lining. Waterproof against rain, humidity, and transit moisture.

• Size: 12" × 15.5" inner (12.5" × 16" total with adhesive flap)
• Quantity: 1,000 poly mailers per case
• Thickness: 2.75 mil co-extruded polyethylene — extra heavy duty
• Closure: Self-seal peel-and-stick adhesive — tamper-evident
• Color: Opaque white exterior / co-ex black interior for privacy
• Compatible with USPS, UPS, FedEx, DHL, Amazon Logistics
• Ideal for: hoodies, jeans, multi-item orders, folded sweaters, medium soft goods
• Bulk 1,000-count case — wholesale pricing for volume sellers

When 10×13 is too tight and 14×20 is too big, the 12×15.5 poly mailer is your answer. Consistent, professional, and priced for sellers who move serious volume.