{"product_id":"psbm-expansion-poly-mailers-30x36-in-100-pack-gusseted-heavy-duty","title":"PSBM Expansion Poly Mailers 30x36 in 100 Pack - Gusseted Heavy-Duty","description":"\u003cp\u003eIn this review the PSBM Expansion Poly Mailers 30x36 in 100 Pack are assessed for businesses and individuals who ship bulky flat items like books, catalogs and clothing. The bottom line: these gusseted mailers stand out because of their combination of size and durability, offering a lightweight yet tear-proof and waterproof solution that fits far more than standard mailers and speeds packing with a self-adhesive seal. For anyone who ships oversize documents or soft goods regularly, the biggest reason to buy is simple: protection and capacity without heavy extra weight.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable gusset:\u003c\/strong\u003e The bottom gusset increases internal volume so folders, binders and stacks of books fit without folding or excessive pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30x36 in size:\u003c\/strong\u003e Extra-large dimensions provide room for bulky items that would not fit in standard mailers, reducing the need for boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 mil tear-proof material:\u003c\/strong\u003e Thick poly construction resists rips and punctures during transit, protecting contents from rough handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof protection:\u003c\/strong\u003e The laminated poly keeps contents dry even if packages are exposed to moisture during shipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-adhesive seal:\u003c\/strong\u003e Peel-off strip lets you close orders quickly without tape, improving packing speed and consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight design:\u003c\/strong\u003e Heavy-duty protection without added weight helps control shipping costs compared with bulkier boxed options.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe PSBM Expansion Poly Mailers suit small businesses, publishers and online sellers who ship books, catalogs, flat clothing items and binders that are bulky in footprint but not fragile enough to require rigid boxes. They are practical for high-volume mailers where speed and water resistance matter, and where a gusseted envelope avoids boxing.\u003c\/p\u003e\u003cp\u003eShippers who need rigid protection for breakable goods or those who must present luxury unboxing experiences should look elsewhere; these mailers prioritize protection from moisture and tears and capacity over rigid cushioning or premium presentation.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLarge gusseted size fits bulky flat items and reduces the need for boxes.\u003c\/li\u003e\n\u003cli\u003eDurable 3 mil material offers reliable tear resistance in normal transit conditions.\u003c\/li\u003e\n\u003cli\u003eWaterproof construction protects contents from rain and wet handling.\u003c\/li\u003e\n\u003cli\u003eSelf-adhesive peel strip speeds packing and eliminates tape for most shipments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValue perception is mixed among customers; some find the pack pricier than thinner alternatives.\u003c\/li\u003e\n\u003cli\u003eNot suitable for fragile items that require rigid support or heavy cushioning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eExpandable poly mailer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e30 x 36 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e100 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial thickness\u003c\/td\u003e\n\u003ctd\u003e3 mil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom\u003c\/td\u003e\n\u003ctd\u003eGusseted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\u003c\/td\u003e\n\u003ctd\u003eSelf-adhesive peel-off strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite\/Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe PSBM Expansion Poly Mailers 30x36 in 100 Pack are a practical choice for sellers and shippers who need extra internal capacity plus dependable tear and water resistance. They deliver efficient packing with the self-seal strip and keep shipping weight low, making them a sensible value for bulky flat items even if some buyers may compare prices across different thicknesses.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these mailers waterproof?\u003c\/strong\u003e\u003cbr\u003eYes, the poly construction is waterproof and helps keep contents dry during transit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I ship books and binders in these without a box?\u003c\/strong\u003e\u003cbr\u003eYes, the gusset and 30 x 36 in size are designed to fit books, catalogs and binders without boxing in most cases.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do the mailers seal?\u003c\/strong\u003e\u003cbr\u003eThey use a self-adhesive peel-off strip for tape-free sealing and quick packing.\u003c\/p\u003e","brand":"PackagingSuppliesByMail","offers":[{"title":"Default Title","offer_id":48619768414427,"sku":"B07MBGWXNL","price":116.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51p8_j_xHWL._AC_SL1500.jpg?v=1778454521","url":"https:\/\/gearmusthave.com\/products\/psbm-expansion-poly-mailers-30x36-in-100-pack-gusseted-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}