{"type":"firestarter.listing","listing":{"id":"lst_u5oIRntU","product_name":"Ultralight Stuff Sack (D50T Fabric Gear Organizer)","category":null,"description":"\nUltralight Stuff Sacks (Challenge D50T Fabric)\nUltralight. Ultra-durable. Trail-tested hiking gear.Our ultralight drawstring stuff sacks are crafted from Challenge D50T ultralight fabric, offering an exceptional balance of strength, minimal weight, and affordability. Designed for ultralight backpackers and adventurers, these sacks keep your gear organized and protected from the elements.\nWant custom printed stuff sacks? Click here\n\nDETAILS\n\nFrom the same company that makes ECOPACK and ULTRA fabrics. These bags are perfect for ultralight backpacking. \n\nAll stuff sacks include taped seams for increased weather resistance keeping your clothes, quilts and other valuable items dry on the trail. \nUltralight backpacking gear for thru hiking, camping &amp; Backpacking.\nD50T is very comparable in weight to 1.43 Dyneema (D50T vs Dyneema comparison here). With an abrasion layer on the outside and an improved waterproofing layer on the inside.\n\nSIZES\n\nSmall 4.75\"x 6.5\"  (12x16.5cm) 0.6 Liters\nMedium 7.5\"x 11.5\"  (19x29cm) 2.5 Liters\nLarge 9.5\"x 13.5\"  (24x34cm) 4.5 Liters\nJumbo 11.5\"x 17\"  (29x43cm) 9.5 Liters\nJumbo PLUS 13\"x20\" (33x50cm) 15.5 Liters\n\nWEIGHTS\n\nSmall 0.30oz (8.5g)\nMedium 0.55oz (15.5g)\nLarge 0.77oz (22g)\nJumbo 1.07oz (30g)\nJumbo PLUS 1.37oz (39g)\n\nUSES\n\nSmall: Stoves, Toiletries and small camping accessories\nMedium: A shirt, socks and other light weather clothing\nLarge: Mid layer, shirts, socks and other light weight Clothing\nJumbo: Winter clothes, Lightweight quilt 50 to 20 degree range\nJumbo Plus: 30 to -20 Degree Lightweight Quilt\n\nStuff Sack SIZES For Quilts\n\n50 Degree Quilts down to 20 Degree Quilts use the \"Jumbo\" Stuff Sack. Lighter quilts will allow extra room for clothes.\n30 Degrees Quilts down to -20 Quilts use the \"Jumbo Plus\". Lighter quilts will allow extra room for clothes.\nWatch this video on dry bag and stuff sack sizes\n\nDetailed look at D50T and Dyneema comparisonshttps://hilltoppacks.com/pages/d50t-vs-dtrs75-from-challenge-sailcloth\nWhere it's","images":["https://cdn.shopify.com/s/files/1/0528/9613/7401/files/ultralight-stuff-sack-d50t-fabric-gear-organizer-7357138.jpg?v=1781230333","https://cdn.shopify.com/s/files/1/0528/9613/7401/products/ultralight-stuff-sack-d50t-fabric-gear-organizer-4961670.jpg?v=1781230334","https://cdn.shopify.com/s/files/1/0528/9613/7401/products/ultralight-stuff-sack-d50t-fabric-gear-organizer-2666503.jpg?v=1781230334"],"price":9.9,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:37.473Z"},"share_url":"https://firestarter.network/l/lst_u5oIRntU","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_u5oIRntU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ultralight Stuff Sack (D50T Fabric Gear Organizer)' and a budget_max comfortably above $9.90 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}