{"title":"15 x 20 x 4 Envelopes","description":"\u003cstyle\u003e#html-body [data-pb-style=ANAOS98]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}\u003c\/style\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"ANAOS98\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp id=\"O6GVT7G\"\u003eThese 15 x 20 poly mailers offer a 4-inch expansion to accommodate bulky items or multiple products in one package. Constructed from polyethylene, a strong and flexible material, these mailers are perfect for shipping clothing, textiles, or other non-fragile items. The 4-inch expansion ensures that even larger or awkwardly shaped items can be enclosed securely. The self-adhesive closure adds to the convenience, making packaging quick and efficient. These poly mailers are an excellent choice for businesses and individuals needing a versatile and reliable shipping solution.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","products":[{"product_id":"envelopes-poly-mailer-15x20x4-expansion-poly-mailers-item-pm-278","title":"15 x 20 x 4 Poly Mailer with Peel \u0026 Seal - White 14lb","description":"\u003cp\u003eExperience the premium craftsmanship of our 15 x 20 x 4 Poly Mailer—a white 14lb mailing essential built for strength and versatility. Designed with a tough polyethylene exterior, this durable mailer resists tears, moisture, and the roughest handling during transit. Its spacious 15 x 20 x 4 dimensions provide ample room for bulky or irregularly shaped items, while the clean white finish delivers a professional and polished appearance. With our signature Peel \u0026amp; Seal closure, packaging becomes effortless—just insert, peel, and press for a secure hold. Whether you're shipping merchandise, documents, or promotional materials, trust Envelopes to deliver a solution that blends durability, style, and ease in one dependable package.\u003c\/p\u003e","brand":"BNC","offers":[{"title":"Default Title","offer_id":48189049700582,"sku":"PM-278","price":0.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/8927\/7926\/files\/pm-278_9e3d47b5-6e4e-4954-8562-9a956c3581d8.png?v=1786616905"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/8927\/7926\/collections\/env.collection.main.2026.15-x-20-x-4-Envelopes.jpg?v=1790274164","url":"https:\/\/www.envelopes.com\/collections\/envelopes-by-size-15-x-20-x-4.oembed","provider":"Envelopes.com","version":"1.0","type":"link"}