{"product_id":"bound-box™-letter-check-preorder-ships-in-3-4-weeks","title":"BoundBox™ Letter Check","description":"\u003ch1 data-start=\"284\" data-end=\"311\"\u003eBoundBox™ Letter Check\u003c\/h1\u003e\n\u003cp data-start=\"312\" data-end=\"341\"\u003e\u003cstrong data-start=\"312\" data-end=\"341\"\u003e1\/4\" Mail Thickness Gauge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"343\" data-end=\"574\"\u003eStop guessing and start shipping with confidence. The BoundBox™\u003cstrong data-start=\"397\" data-end=\"424\"\u003e Letter Check\u003c\/strong\u003e is designed to instantly verify whether your mail qualifies for USPS letter rates by confirming it stays under the critical \u003cstrong data-start=\"549\" data-end=\"573\"\u003e1\/4\" thickness limit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"576\" data-end=\"766\"\u003eSimply slide your envelope or mail piece into the slot — if it fits, you’re good to go. No more returned mail, no more overpaying for postage, and no more second-guessing at the post office.\u003c\/p\u003e\n\u003cp data-start=\"768\" data-end=\"901\"\u003eBuilt specifically for resellers, card sellers, and anyone using USPS letter shipping, this tool saves time and money on every order.\u003c\/p\u003e\n\u003chr data-start=\"903\" data-end=\"906\"\u003e\n\u003ch2 data-start=\"908\" data-end=\"919\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"920\" data-end=\"1156\"\u003e\n\u003cli data-start=\"920\" data-end=\"965\"\u003e\n\u003cp data-start=\"922\" data-end=\"965\"\u003eConfirms USPS \u003cstrong data-start=\"936\" data-end=\"965\"\u003e1\/4\" thickness compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"966\" data-end=\"998\"\u003e\n\u003cp data-start=\"968\" data-end=\"998\"\u003eFast, simple pass\/fail check\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"999\" data-end=\"1030\"\u003e\n\u003cp data-start=\"1001\" data-end=\"1030\"\u003eClearly marked for easy use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1031\" data-end=\"1073\"\u003e\n\u003cp data-start=\"1033\" data-end=\"1073\"\u003eCompact design for any packing station\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1074\" data-end=\"1103\"\u003e\n\u003cp data-start=\"1076\" data-end=\"1103\"\u003e3D printed for durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1104\" data-end=\"1156\"\u003e\n\u003cp data-start=\"1106\" data-end=\"1156\"\u003eDesigned to integrate with the Bound Box™ system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1158\" data-end=\"1161\"\u003e\n\u003ch2 data-start=\"1163\" data-end=\"1177\"\u003ePerfect For\u003c\/h2\u003e\n\u003cul data-start=\"1178\" data-end=\"1307\"\u003e\n\u003cli data-start=\"1178\" data-end=\"1202\"\u003e\n\u003cp data-start=\"1180\" data-end=\"1202\"\u003eTrading card sellers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1203\" data-end=\"1235\"\u003e\n\u003cp data-start=\"1205\" data-end=\"1235\"\u003eeBay standard envelope users\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1236\" data-end=\"1249\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1249\"\u003eResellers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1250\" data-end=\"1277\"\u003e\n\u003cp data-start=\"1252\" data-end=\"1277\"\u003eSmall business shippers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1278\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1280\" data-end=\"1307\"\u003eAnyone mailing flat items\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1309\" data-end=\"1312\"\u003e\n\u003ch2 data-start=\"1314\" data-end=\"1326\"\u003eImportant\u003c\/h2\u003e\n\u003cp data-start=\"1327\" data-end=\"1419\"\u003eThis tool is for \u003cstrong data-start=\"1344\" data-end=\"1378\"\u003emeasurement verification only.\u003c\/strong\u003e\u003cbr data-start=\"1378\" data-end=\"1381\"\u003eAlways follow current USPS guidelines.\u003c\/p\u003e\n\u003chr data-start=\"1421\" data-end=\"1424\"\u003e\n\u003ch2 data-start=\"1426\" data-end=\"1447\"\u003eWhy You’ll Love It\u003c\/h2\u003e\n\u003cul data-start=\"1448\" data-end=\"1558\"\u003e\n\u003cli data-start=\"1448\" data-end=\"1474\"\u003e\n\u003cp data-start=\"1450\" data-end=\"1474\"\u003ePrevents returned mail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1475\" data-end=\"1502\"\u003e\n\u003cp data-start=\"1477\" data-end=\"1502\"\u003eAvoids postage upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1503\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1505\" data-end=\"1530\"\u003eSaves money every month\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1531\" data-end=\"1558\"\u003e\n\u003cp data-start=\"1533\" data-end=\"1558\"\u003eSpeeds up your workflow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DKMKT","offers":[{"title":"Default Title","offer_id":44339478659151,"sku":"DKMKT-BB-LETTER-CHECK","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/0405\/3071\/files\/WhatsAppImage2026-01-13at07.43.09.jpg?v=1768308283","url":"https:\/\/dkmkt.com\/products\/bound-box%e2%84%a2-letter-check-preorder-ships-in-3-4-weeks","provider":"DKMKT","version":"1.0","type":"link"}