人気・おすすめランキング
注文金額の合計が1,500円（税抜）以上で送料無料※北海道、沖縄、離島、一部商品を除く厚紙ビジネス封筒の人気・おすすめランキング 2026年1月10日(土) 更新
折れたり曲がったりするのを防ぎたい、契約書やカタログ、写真などを、安全に郵送・運搬するための、丈夫な厚紙で作られた封筒です。ダンボール台紙が中に入っているタイプは、さらに強度が高く、内容物を確実に保護します。開封しやすい、開封テープ付きも便利です。
3位
' opacity='.7'%3e%3crect width='40' height='40' x='4' fill='url(%23i-353225138__b)' rx='5' shape-rendering='crispEdges'/%3e%3c/g%3e%3cdefs%3e%3cpattern id='i-353225138__b' width='1' height='1' patternContentUnits='objectBoundingBox'%3e%3cuse xlink:href='%23i-353225138__c' transform='scale(.00625)'/%3e%3c/pattern%3e%3cfilter id='i-353225138__a' width='48' height='48' x='0' y='0' color-interpolation-filters='sRGB' filterUnits='userSpaceOnUse'%3e%3cfeFlood flood-opacity='0' result='BackgroundImageFix'/%3e%3cfeColorMatrix in='SourceAlpha' result='hardAlpha' values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 127 0'/%3e%3cfeOffset dy='4'/%3e%3cfeGaussianBlur stdDeviation='2'/%3e%3cfeComposite in2='hardAlpha' operator='out'/%3e%3cfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.2 0'/%3e%3cfeBlend in2='BackgroundImageFix' result='effect1_dropShadow_4603_118582'/%3e%3cfeBlend in='SourceGraphic' in2='effect1_dropShadow_4603_118582' result='shape'/%3e%3c/filter%3e%3cimage xlink:href='data:image/png%3bbase64%2ciVBORw0KGgoAAAANSUhEUgAAAKIAAACgCAYAAACPOrcQAAAMQGlDQ1BJQ0MgUHJvZmlsZQAASImVVwdYU8kWnluSkEBoAQSkhN4EESkBpITQAkgvgqiEJEAoMQaCih1ZVHAtqIiADV0VUeyAWFDEzqLY%2b2JBQVkXC3blTQrouq987%2bSbe//8c%2bY/Z86dWwYAtRMckSgbVQcgR5gnjg7yo09ITKKTegACf8rAGuhxuLkiZmRkGIA2dP67vbsBfaFdtZdq/bP/v5oGj5/LBQCJhDiVl8vNgfggAHg1VyTOA4Ao5c2m54mkGDagJYYJQrxYitPluFqKU%2bV4r8wnNpoFcRsASiocjjgdANXLkKfnc9Ohhmo/xI5CnkAIgBodYu%2bcnKk8iFMgtoY%2bIoil%2bozUH3TS/6aZOqzJ4aQPY/lcZKbkL8gVZXNm/p/l%2bN%2bWky0ZimEJm0qGODhaOmdYt1tZU0OlWAXiPmFqeATEmhB/EPBk/hCjlAxJcJzcHzXg5rJgzYAOxI48jn8oxAYQBwqzw8MUfGqaIJANMVwh6AxBHjsWYl2IF/NzA2IUPpvEU6MVsdCGNDGLqeDPccSyuNJYDyRZcUyF/usMPluhj6kWZMQmQEyB2DxfEB8OsSrEDrlZMaEKn3EFGazwIR%2bxJFqavznE0XxhkJ9cH8tPEwdGK/xLcnKH5ottyhCwwxV4f15GbLC8PlgblyPLH84Fu8wXMuOGdPi5E8KG5sLj%2bwfI54718IVxMQqdD6I8v2j5WJwiyo5U%2bOOm/OwgKW8KsXNufoxiLB6fBxekXB9PE%2bVFxsrzxAsyOSGR8nzwFSAMsIA/oAMJbKlgKsgEgo6%2bxj74T94TCDhADNIBH9grmKERCbIeITzGgALwJ0R8kDs8zk/Wywf5kP86zMqP9iBN1psvG5EFnkKcA0JBNvwvkY0SDkeLB08gI/hHdA5sXJhvNmzS/n/PD7HfGSZkwhSMZCgiXW3IkxhA9CcGEwOJNrg%2b7o174mHw6AubE87A3Yfm8d2f8JTQSXhEuE7oItyeIigU/5TleNAF9QMVtUj9sRa4JdR0wf1wL6gOlXEdXB/Y484wDhP3gZFdIMtS5C2tCv0n7b/N4IerofAjO5JR8giyL9n655GqtqouwyrSWv9YH3muqcP1Zg33/Byf9UP1efAc%2brMnthg7gJ3FTmLnsaNYI6BjLVgT1o4dk%2bLh1fVEtrqGokXL8smCOoJ/xBu6stJK5jrWOfY6fpH35fFnSJ/RgDVVNFMsSM/IozPhG4FPZwu5DqPoTo5OzgBI3y/yx9ebKNl7A9Fp/84t/AMAr5bBwcEj37mQFgD2ucHb//B3zpoBXx3KAJw7zJWI8%2bUcLj0Q4FNCDd5pesAImMH3lz1wAq7AE/iCABACIkAsSASTYfYZcJ2LwXQwGywAxaAUrABrQCXYCLaAHWA32A8awVFwEpwBF8FlcB3chaunG7wA/eAd%2bIwgCAmhIjREDzFGLBA7xAlhIN5IABKGRCOJSAqSjggRCTIbWYiUImVIJbIZqUX2IYeRk8h5pBO5jTxEepHXyCcUQ1VQLdQQtURHowyUiYaisegkNB2dhhagRegytAKtQXehDehJ9CJ6He1CX6ADGMCUMR3MBLPHGBgLi8CSsDRMjM3FSrByrAarx5rhdb6KdWF92EeciNNwOm4PV3AwHodz8Wn4XHwpXonvwBvwNvwq/hDvx78RqAQDgh3Bg8AmTCCkE6YTignlhG2EQ4TT8F7qJrwjEok6RCuiG7wXE4mZxFnEpcT1xD3EE8RO4mPiAIlE0iPZkbxIESQOKY9UTFpH2kVqIV0hdZM%2bKCkrGSs5KQUqJSkJlQqVypV2Kh1XuqL0TOkzWZ1sQfYgR5B55Jnk5eSt5GbyJXI3%2bTNFg2JF8aLEUjIpCygVlHrKaco9yhtlZWVTZXflKGWB8nzlCuW9yueUHyp/VNFUsVVhqSSrSFSWqWxXOaFyW%2bUNlUq1pPpSk6h51GXUWuop6gPqB1WaqoMqW5WnOk%2b1SrVB9YrqSzWymoUaU22yWoFaudoBtUtqfepkdUt1ljpHfa56lfph9ZvqAxo0jTEaERo5Gks1dmqc1%2bjRJGlaagZo8jSLNLdontJ8TMNoZjQWjUtbSNtKO03r1iJqWWmxtTK1SrV2a3Vo9Wtrajtrx2vP0K7SPqbdpYPpWOqwdbJ1luvs17mh82mE4QjmCP6IJSPqR1wZ8V53pK6vLl%2b3RHeP7nXdT3p0vQC9LL2Veo169/VxfVv9KP3p%2bhv0T%2bv3jdQa6TmSO7Jk5P6RdwxQA1uDaINZBlsM2g0GDI0MgwxFhusMTxn2GekY%2bRplGq02Om7Ua0wz9jYWGK82bjF%2bTtemM%2bnZ9Ap6G73fxMAk2ERistmkw%2bSzqZVpnGmh6R7T%2b2YUM4ZZmtlqs1azfnNj8/Hms83rzO9YkC0YFhkWay3OWry3tLJMsFxk2WjZY6VrxbYqsKqzumdNtfaxnmZdY33NhmjDsMmyWW9z2Ra1dbHNsK2yvWSH2rnaCezW23WOIoxyHyUcVTPqpr2KPdM%2b377O/qGDjkOYQ6FDo8PL0eajk0avHH129DdHF8dsx62Od8dojgkZUzimecxrJ1snrlOV07Wx1LGBY%2beNbRr7ytnOme%2b8wfmWC81lvMsil1aXr65urmLXetdeN3O3FLdqt5sMLUYkYynjnDvB3c99nvtR948erh55Hvs9/vK098zy3OnZM85qHH/c1nGPvUy9OF6bvbq86d4p3pu8u3xMfDg%2bNT6PfM18eb7bfJ8xbZiZzF3Ml36OfmK/Q37vWR6sOawT/ph/kH%2bJf0eAZkBcQGXAg0DTwPTAusD%2bIJegWUEnggnBocErg2%2byDdlcdi27P8QtZE5IW6hKaExoZeijMNswcVjzeHR8yPhV4%2b%2bFW4QLwxsjQAQ7YlXE/UiryGmRR6KIUZFRVVFPo8dEz44%2bG0OLmRKzM%2bZdrF/s8ti7cdZxkrjWeLX45Pja%2bPcJ/gllCV0TRk%2bYM%2bFion6iILEpiZQUn7QtaWBiwMQ1E7uTXZKLk29Mspo0Y9L5yfqTsycfm6I2hTPlQAohJSFlZ8oXTgSnhjOQyk6tTu3nsrhruS94vrzVvF6%2bF7%2bM/yzNK60srSfdK31Vem%2bGT0Z5Rp%2bAJagUvMoMztyY%2bT4rImt71mB2QvaeHKWclJzDQk1hlrBtqtHUGVM7RXaiYlHXNI9pa6b1i0PF23KR3Em5TXla8EO%2bXWIt%2bUXyMN87vyr/w/T46QdmaMwQzmifaTtzycxnBYEFv83CZ3Fntc42mb1g9sM5zDmb5yJzU%2be2zjObVzSve37Q/B0LKAuyFvxe6FhYVvh2YcLC5iLDovlFj38J%2bqWuWLVYXHxzkeeijYvxxYLFHUvGLlm35FsJr%2bRCqWNpeemXpdylF34d82vFr4PL0pZ1LHddvmEFcYVwxY2VPit3lGmUFZQ9XjV%2bVcNq%2buqS1W/XTFlzvty5fONaylrJ2q6KsIqmdebrVqz7UplReb3Kr2pPtUH1kur363nrr2zw3VC/0XBj6cZPmwSbbm0O2txQY1lTvoW4JX/L063xW8/%2bxvitdpv%2bttJtX7cLt3ftiN7RVutWW7vTYOfyOrROUte7K3nX5d3%2bu5vq7es379HZU7oX7JXsfb4vZd%2bN/aH7Ww8wDtQftDhYfYh2qKQBaZjZ0N%2bY0djVlNjUeTjkcGuzZ/OhIw5Hth81OVp1TPvY8uOU40XHB1sKWgZOiE70nUw/%2bbh1SuvdUxNOXWuLaus4HXr63JnAM6fOMs%2b2nPM6d/S8x/nDFxgXGi%2b6Xmxod2k/9LvL74c6XDsaLrldarrsfrm5c1zn8Ss%2bV05e9b965hr72sXr4dc7b8TduHUz%2bWbXLd6tntvZt1/dyb/z%2be78e4R7JffV75c/MHhQ84fNH3u6XLuOPfR/2P4o5tHdx9zHL57kPvnSXfSU%2brT8mfGz2h6nnqO9gb2Xn0983v1C9OJzX/GfGn9Wv7R%2befAv37/a%2byf0d78Svxp8vfSN3pvtb53ftg5EDjx4l/Pu8/uSD3ofdnxkfDz7KeHTs8/Tv5C%2bVHy1%2bdr8LfTbvcGcwUERR8yRfQpgsKFpaQC83g4ANREAGtyfUSbK938yQ%2bR7VhkC/wnL94gycwWgHn6/R/XBr5ubAOzdCrdfUF8tGYBIKgCx7gAdO3a4De3VZPtKqRHhPmBTxNfUnFTwb0y%2b5/wh75/PQKrqDH4%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%2bMTYwPC9leGlmOlBpeGVsWURpbWVuc2lvbj4KICAgICAgICAgPGV4aWY6UGl4ZWxYRGltZW5zaW9uPjE2MjwvZXhpZjpQaXhlbFhEaW1lbnNpb24%2bCiAgICAgICAgIDxleGlmOlVzZXJDb21tZW50PlNjcmVlbnNob3Q8L2V4aWY6VXNlckNvbW1lbnQ%2bCiAgICAgIDwvcmRmOkRlc2NyaXB0aW9uPgogICA8L3JkZjpSREY%2bCjwveDp4bXBtZXRhPgqi80lXAAAAHGlET1QAAAACAAAAAAAAAFAAAAAoAAAAUAAAAFAAAARy4TwQNQAABD5JREFUeAHsnedyqzAUBk16eYu8/zPlb3qZ9O7wKVcYY5XrBE4ssswwCAk4aLUjCUwm1fv7%2b7ReJn5pp5XX3m%2bnq6qaaF1bW3NbpVn%2bDgG5oPXj48Ntu254El0v2vtz6be3t8ZCfzG/1cXaae2vr6838mmfBQIiIE8kZd2xzQGZk%2b1fZ9XO08HaryRiWzafbm91oATUygKBHAHJqFUOeem6W13D57n06%2bur6xHb4qnA70u%2bjY0NZbFAYCkCdSfX9JBeuuhWInrp2lulNzc36QWXQs/BXQLqGWvH5p4jujLqnOrl5SUoIhJ2kbL/XQJtGXWNrojar56fn5uh2feISPhd5JwXI%2bBlVLkTr/PgUj09Pc2JKAmZE8Zwkv8TApozhoZpJ6ZEVE%2boVQ8mW1tbP4nFuRBIEqingu4BptsrVo%2bPj05Enb2zs9OM38mrUQiBbxJQh1d3fu7sORkfHh6ciBqStbJAYGgCGp7bQ7QT8v7%2bfqrE7u7u0PG5PgQaAvVI3LzwdiLe3d1N1RMyN2wYkTAgoLniXK94e3s73d/fZ25oAJ8QMwKaK9ajcfMqp9LQvLe3NzuCFASMCNTPJ%2b5DCfcFl17fbG9vG4UmDARmBOofU2bDs37i42l5BoeUHQHNEfUqxz2s6DMwPu%2byg0%2bkGQH97NfME%2buPGd3rm1kxKQjYENADy83NzVeP6N5m28QlCgQWCFxfX3998Y%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%2bJNjLlhFms7mYy5vgzNoRZf0TxEpGFWggAirkQzLN7EmBtmsbYMzSEmK5GHiOFm4IV2mMtguYgYRouIYS6D5SJiGC0ihrkMlouIYbSIGOYyWC4ihtEiYpjLYLmIGEaLiGEu5EIgS6DoX1ayteOAYgggYjFNNe4bRcRxt28xtUPEYppq3DeKiONu32Jqh4jFNNW4bxQRx92%2bxdQOEYtpqnHfKCKOu32LqZ0X8RMAAP//524DrAAABC9JREFU7ZpZb6MwFEZNU1Xd9%2bW9//839bF7um/qxvCRsYckVEYdAjdwkKoQQ%2bD63NNrwCRptjgWCLRE4OzszA0GA5cgYksZ4LQ5AUREBBMEENFEGggCEXHABAFENJEGgkBEHDBBABFNpIEgEBEHTBBARBNpIIi5FvHk5KRSBo%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%2b/naXl5ejxzcfHx/p4uJi0zFwPgi4z89Pd319PRLx9fU1XV5eBgsEGifw9vbm7u7uRiI%2bPDykGxsbjQfBCSHw%2bPjonp%2bfRyJmpTHd29uDCgQaJzAcDvPhOZ/iOz09TQ8PD91gMGg8EE7YXwLZTXK4UQkiamheX1/vLxV63jiBp6cnp6FZEgYRtXJ0dNR4MJywvwQuLi6cHt8EEbP3wVI1bG5uUhX760WjPVc1zG6Sg4R5RfQiJkmSV0U1skBgVgRU9FQN9fahr4ZBRDVqh5WVFbe7uzurGDguBNzNzY3Lnl2Prguz4udlTLK5vnxoloj629nZYYhGmJkQ0JB8e3sb5PMS5hVRIvqK6GXc3993q6urMwmGg/aTwMvLS5jO8wLqcjCsZ%2bN1qIhFIQ8ODpCxn87U3mtJeHV19U%2b6goBBxOzthyCiKmJRRl0v6m6aBQK/JaC7Y10XBuEmJPRVMZGIRfmKMqp9bW3NaQpQB2KBQFUC8khTeJpLDrL9IKHcSrKSmVfEoox%2b3X9qx%2b3tbbe1tVU1DvbrMYH7%2b/v8rRrJmEv2V0AvZLHNryd66UE/mKyEk98lpeajNVRrSpB3GHtsWknX9W6hpuw0FGseWdJ58X76lIRBxKx8VhbRyykp9Q6jnjvqc2lpKRdTB2XpPgF5IPHe39%2bd3inUc0F9Tsr3k4C%2b3Uuozz%2bFfwzNK%2bNb%2bAAAAABJRU5ErkJggg==' id='i-353225138__c' width='162' height='160' preserveAspectRatio='none'/%3e%3c/defs%3e%3c/svg%3e)
4位
商品番号: EMS-A5M
【ネコポス・クリックポスト】厚紙封筒（A5サイズ・マチ・開封ジッパー付き）A5サイズでマチ用の折れ線・開封ジッパー（ミシン目）付きの厚紙封筒。ネコポス・クリックポストに対応しています。5位
商品番号: EMS-B5
【ネコポス・クリックポスト】厚紙封筒（B5サイズ、開封ジッパー付き）B5サイズが入る大きさの厚紙封筒。ネコポス・クリックポストに対応しています。開封ジッパー（ミシン目）付きで、受け取り手に優しい仕様です。折れにくいので、書類やカタログ、サンプル、通販商品などの発送に最適。
10位
商品番号: EMS-A4M
【クリックポスト・ゆうパケット】厚紙封筒（A4サイズ・角2・マチ・開封ジッパー付き）A4・角2封筒サイズでマチ用の折れ線・開封ジッパー（ミシン目）付きの厚紙封筒。クリックポスト・ゆうパケットに対応しています。11位
商品番号: EMS-A4
【クリックポスト・ゆうパケット】厚紙封筒（A4サイズ・角2、開封ジッパー付き）A4・角2封筒サイズで開封ジッパー（ミシン目）付きの厚紙封筒。クリックポスト・ゆうパケットに対応しています。12位
商品番号: EMS250-A5
【最安特価】＜ネコポス・クリックポスト＞A5・厚紙封筒（開封ジッパー付き）大幅なコストダウンによって業界最安級の価格を実現！A5が入るサイズで、ネコポスやクリックポストに対応した厚紙封筒。軽量化したことで重量に制限のある郵送やメール便の利用も安心です。通販発送にいかがでしょうか。
