{"product_id":"10x13-poly-mailers-pack-of-1000-durable-self-sealing-shipping","title":"10x13 Poly Mailers Pack of 1000 - Durable Self-Sealing Shipping","description":"\u003cp\u003eIn this review the reviewer examines the KKBESTPACK 10x13 poly mailers to decide who should buy a bulk pack and why. The bottom line is simple: these mailers are for merchants, resellers, and anyone who ships large volumes of non-fragile items and needs a low-cost, durable option. The pack of 1000 offers consistent size and a reliable self-seal closure, and the main reason to buy is that the mailers combine \u003cstrong\u003ewater and puncture resistance\u003c\/strong\u003e with a privacy lining at a price that makes high-volume shipping practical.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk quantity:\u003c\/strong\u003e A pack of 1000 mailers reduces the need for frequent reordering and lowers per-item packaging cost for high-volume shippers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize consistency:\u003c\/strong\u003e Each mailer measures 10x13 in (flap excluded) which fits clothing, smaller textiles and many flat goods without excess material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrivacy lining:\u003c\/strong\u003e The white outer surface with a silver inner layer keeps contents confidential and prevents show-through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Three-layer co-extruded polyethylene film and reinforced seams resist tearing and punctures during transit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-sealing closure:\u003c\/strong\u003e The pressure sensitive adhesive delivers a quick, secure seal to speed packing and reduce tape use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e The outer material sheds water and dirt to protect non-fragile contents in wet conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese poly mailers are best for small business owners, online sellers, subscription box shippers, and anyone sending clothing, soft goods or medium-sized books. The pack size and material suit operations that need a low-cost, reliable mailer that protects contents from moisture and casual handling damage.\u003c\/p\u003e\n\u003cp\u003eThese are not for fragile items that require cushioning or rigid protection; customers who ship glass, electronics without additional padding, or items requiring tamper-evident security should look for padded or rigid alternatives.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStrong, durable material with superior tear and puncture resistance compared with single-layer mailers.\u003c\/li\u003e\n\u003cli\u003eHigh-quality adhesive provides a secure, fast closure for efficient packing.\u003c\/li\u003e\n\u003cli\u003eGood value for money when buying in bulk for frequent shipments.\u003c\/li\u003e\n\u003cli\u003ePrivacy lining prevents contents from showing through and keeps shipments discreet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe seal is pressure sensitive but the material is waterproof while the flap itself is not sealed from water if not taped, so extra protection may be needed in extremely wet conditions.\u003c\/li\u003e\n\u003cli\u003eNot suitable for fragile items without additional internal protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKKBESTPACK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePack of 1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e10x13 in (flap excluded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3-layer co-extruded polyethylene film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLining\u003c\/td\u003e\n\u003ctd\u003eWhite outer surface with silver privacy inner layer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\u003c\/td\u003e\n\u003ctd\u003ePressure sensitive self-sealing adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003eWater, tear and puncture resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe KKBESTPACK 10x13 poly mailers are a practical, cost-effective choice for anyone shipping non-fragile goods in volume; they deliver consistent size, \u003cstrong\u003edurable protection\u003c\/strong\u003e, and a trustworthy self-seal at a competitive price. Small businesses and online sellers will find them especially good value when reducing packing time and per-shipment cost is a priority.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these mailers waterproof?\u003c\/strong\u003e\u003cbr\u003eThe polyethylene material is waterproof and resists dirt, but the flap itself is pressure sealed and not a separate waterproof gasket, so very wet conditions may require extra protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I ship books or clothing in these?\u003c\/strong\u003e\u003cbr\u003eYes, they are well suited to clothing and medium-sized books as long as the items are not fragile and do not need rigid protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the stated size include the flap?\u003c\/strong\u003e\u003cbr\u003eNo, the stated 10x13 in measurement does not include the 1.5 in flap, so allow for that when planning packaging sizes.\u003c\/p\u003e","brand":"KKBESTPACK","offers":[{"title":"Default Title","offer_id":48617871802587,"sku":"B07HT8DJN6","price":49.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/613RdfY2lUL._SL1500.jpg?v=1778526215","url":"https:\/\/gearmusthave.com\/products\/10x13-poly-mailers-pack-of-1000-durable-self-sealing-shipping","provider":"GearMustHave","version":"1.0","type":"link"}