{"type":"firestarter.listing","listing":{"id":"lst_qQoeStX9","product_name":"Neoprene Strongman Sandbags","category":null,"description":"Level-up to Dynamic Heavy Sandbag Strength with HyperFlex™ Boulder Strongman Training\nDiscover the future of strength training with Hyperwear's HyperFlex Neoprene Strongman Sandbags. With over a decade of innovation in workout sandbag design and sandbag training, Hyperwear has improved heavy strongman training with superior materials and stretch. Designed for durability and versatility, these heavy workout sandbags come in multiple weights to work for athletes of all levels. Made from high-quality 4-way stretch neoprene, our heavy boulder sandbags offer a unique \"boulder\" shape, incredibly dynamic and challenging shifting sand, texture for enhanced grip and superior water resistance, setting a new standard in fitness equipment. Available in five weights ranging from 50 to 200 lbs, they're your ideal partner for building strength, power and endurance. SHIPPED EMPTY and easy to fill with a wide built-in 1000D nylon and triple seal hook and loop funnel. Guaranteed to hold the rated amount of sand due to the stretch unlike non-stretch fabric bags that are often undersized. Closed with a tough YKK zipper that is covered with a hook and look flap.","images":["https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-561804.jpg?v=1712133960","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-148154.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-611867.jpg?v=1712133960","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-140542.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-944359.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-474168.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/products/neoprene-strongman-sandbags-436103.jpg?v=1776181698","https://cdn.shopify.com/s/files/1/0717/6490/2165/products/neoprene-strongman-sandbags-578263.jpg?v=1776181698","https://cdn.shopify.com/s/files/1/0717/6490/2165/products/neoprene-strongman-sandbags-741684.jpg?v=1776181698","https://cdn.shopify.com/s/files/1/0717/6490/2165/products/neoprene-strongman-sandbags-159287.jpg?v=1712070442","https://cdn.shopify.com/s/files/1/0717/6490/2165/products/neoprene-strongman-sandbags-477619.jpg?v=1776181698","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-622790.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-342340.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-971467.jpg?v=1776181648","https://cdn.shopify.com/s/files/1/0717/6490/2165/files/neoprene-strongman-sandbags-575317.jpg?v=1776181648"],"price":64.95,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:08.306Z"},"share_url":"https://firestarter.network/l/lst_qQoeStX9","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_qQoeStX9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Neoprene Strongman Sandbags' and a budget_max comfortably above $64.95 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."]}}