{"product_id":"irwin-strait-line-permanent-chalk-indigo-blue-4-lb-4935524","title":"IRWIN STRAIT-LINE Permanent Chalk Indigo Blue 4 lb | 4935524","description":"\u003ch2\u003eReliable outdoor marking with vivid Indigo Blue chalk\u003c\/h2\u003e\n\u003cp\u003eIRWIN STRAIT-LINE Permanent Chalk in Indigo Blue is designed to perform under real-world jobsite conditions. The 4 lb bottle is easy to grip, and the crisper lines it leaves help crews measure, mark, and proceed with confidence on concrete, wood, dirt, and metal surfaces. The color choice provides strong contrast on most backgrounds, helping once-sketched lines stay visible as work progresses.\u003c\/p\u003e\n\u003ch3\u003eWhy this chalk stands up to the job\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExtreme outdoor resilience: its formula holds up to sun, wind, rain, and temperature swings, preserving legibility for hours or days between applications\u003c\/li\u003e\n\u003cli\u003eLarge 4 lb supply: fewer replacements mean less downtime and more time on the job\u003c\/li\u003e\n\u003cli\u003eIndigo blue color: high visibility against common substrates used in construction and landscaping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSmart design that keeps you in control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlip-cap keeps the chalk inside the bottle, reducing spills in pockets, tool belts, and wind gusts\u003c\/li\u003e\n\u003cli\u003eFlip-top cap forms an airtight chamber that blocks moisture and minimizes clumping, helping chalk flow smoothly\u003c\/li\u003e\n\u003cli\u003eRugged bottle shape fits standard line-marking tools and makes reloading quick on busy sites\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical field tips\u003c\/h3\u003e\n\u003cp\u003eFor crisp, straight layouts, use with traditional chalk lines or line markers. To maximize performance, keep the cap closed when not in use, store upright away from moisture, and re-check marks after weather changes to confirm visibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What surfaces is this chalk best for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It marks clearly on concrete, wood, dirt, and similar outdoor surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the flip-cap benefit field use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The flip-cap keeps chalk inside, prevents spills, and the airtight seal reduces moisture and clumping.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IRWIN","offers":[{"title":"Default Title","offer_id":53125302386799,"sku":"B004V4HUMC","price":29.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/irwin-strait-line-chalk-bottle-indigo-blue-4lb.jpg?v=1779177972","url":"https:\/\/taskholt.com\/products\/irwin-strait-line-permanent-chalk-indigo-blue-4-lb-4935524","provider":"TaskHolt","version":"1.0","type":"link"}