{"niche":"哪款可扩展行李箱容量最大？","description":"Which expandable suitcase has the largest capacity?","products":[{"brand":"Briggs & Riley","model":"Baseline Large Expandable Spinner BLU129CXSP-5","price_gbp":693.73,"origin_country":null,"specs":{"weight":"13.6 lbs","wheels":"360º spinner wheels","capacity":"100 - 122","material":"Premium Ultra-Durable Ballistic Nylon","dimensions":"29 x 20 x 12 - 14.5 in","lock_system":"TSA-accepted combination cable lock","expansion_capacity":"22% (100 to 122)"},"confidence_score":null,"summary":"High-capacity soft-sided spinner with Briggs & Riley's one-touch CX expansion and a built-in tri-fold garment folder, designed to keep clothing crisp while adding up to ~22% more space. Suited for week-long or longer trips and business travelers who prioritize organization and durability.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Briggs & Riley","url":"https://www.briggs-riley.com/products/large-expandable-spinner-2","currency":"USD","source_country":"US","price":929.0,"price_gbp":693.73,"scraped_at":"2026-06-08T03:35:30.363618"},{"label":"Abt","url":"https://www.abt.com/Briggs-Riley-Baseline-Navy-Large-Expandable-Spinner-BLU129CXSP5/p/182969.html","currency":"USD","source_country":"US","price":929.0,"price_gbp":693.73,"scraped_at":"2026-06-08T03:35:33.269754"},{"label":"London Harness","url":"https://londonharness.com/briggs-riley-baseline-large-expandable-spinner-blu129cxsp-large-exp-spinner.html","currency":"USD","source_country":"US","price":929.0,"price_gbp":693.73,"scraped_at":"2026-06-08T03:35:36.177013"}]},{"brand":"SwissGear","model":"Sion Softside Expandable Roller 29in","price_gbp":260.24,"origin_country":null,"specs":{"weight":"11.1","wheels":"4 (360-degree spinner)","capacity":"87.0","material":"Polyester","dimensions":"28.5 in x 17.25 in x 12.5 in","lock_system":"Zipper loop","expansion_capacity":null},"confidence_score":null,"summary":"The Sion 29in is a softside, expandable checked spinner offering large 87 L packing capacity, exterior pockets, and a detachable toiletry pouch. It's a budget-friendly, lightweight option suited for week-long trips and travelers who want roomy, simple checked luggage.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"SWISSGEAR (official)","url":"https://www.swissgear.com/products/sion-3-piece-spinner-set","currency":"USD","source_country":"US","price":348.5,"price_gbp":260.24,"scraped_at":"2026-06-08T03:36:41.136958"}]},{"brand":"Duravo","model":"Expandable Check-In Large","price_gbp":261.36,"origin_country":null,"specs":{"weight":"8.7","wheels":"Hinomoto 360° ball-bearing (four-wheel spinner)","capacity":"105","material":"Flexshell™ Composite","dimensions":"29 in x 20.5 in x 12 in","lock_system":"TSA-approved combination lock (integrated)","expansion_capacity":"122"},"confidence_score":null,"summary":"Large, lightweight checked suitcase made from Duravo's Flexshell composite with a 105L capacity expandable to 122L. Features Hinomoto 360° wheels, aircraft-grade aluminum hardware, premium YKK zippers, and an integrated TSA-approved lock; suited to travelers needing high-capacity, durable checked luggage.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Duravo (official)","url":"https://duravo.com/products/expandable-check-in-large","currency":"USD","source_country":"US","price":350.0,"price_gbp":261.36,"scraped_at":"2026-06-08T03:36:01.533537"}]},{"brand":"Béis","model":"Carry-On Roller Expanded 61L","price_gbp":200.13,"origin_country":null,"specs":{"weight":"8.36","wheels":"360° spinner wheels","capacity":"49","material":"Polycarbonate body, PVC, Polyester liner, vegan leather trim","dimensions":"22.8 in x 15.7 in x 9.8 in","lock_system":"TSA-approved lock","expansion_capacity":"61"},"confidence_score":null,"summary":"Hard-shell expandable carry-on with 360° spinner wheels, built-in weight indicator, and TSA-approved lock; expands 2 in to increase capacity to 61 L. Suits travelers who want a feature-rich, organized carry-on for week-long trips and overpackers who need extra space.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"BÉIS","url":"https://beistravel.com/products/the-carry-on-roller-in-beige","currency":"USD","source_country":"US","price":268.0,"price_gbp":200.13,"scraped_at":"2026-06-08T03:36:52.471126"},{"label":"Revolve","url":"https://www.revolve.com/beis-the-carry-on-roller/dp/BEIS-WL1/","currency":"USD","source_country":"US","price":268.0,"price_gbp":200.13,"scraped_at":"2026-06-08T03:36:55.359588"}]},{"brand":"Travelpro","model":"Platinum Elite 29in Expandable Spinner","price_gbp":362.17,"origin_country":null,"specs":{"weight":"11.5","wheels":"8 MagnaTrac self-aligning spinner wheels","capacity":"143.5","material":"High-density nylon with DuraGuard coating","dimensions":"32.50 in x 21 in x 13.25 in","lock_system":"Integrated TSA lock (default 0-0-0)","expansion_capacity":null},"confidence_score":null,"summary":"Large, softside expandable checked spinner with a fold-out suiter, PrecisionGlide wheel system, and built-in TSA lock. Suited for long trips and serious packers who need high capacity and durable fabric construction.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Travelpro","url":"https://travelpro.com/products/platinum%C2%AE-elite-29-expandable-spinner","currency":"USD","source_country":"US","price":485.0,"price_gbp":362.17,"scraped_at":"2026-06-08T03:36:12.825369"}]},{"brand":"Away","model":"Large Flex","price_gbp":253.9,"origin_country":null,"specs":{"weight":"12.6","wheels":"360° spinner wheels","capacity":"99.2","material":"100% polycarbonate","dimensions":"29 in x 20.5 in x 12.5 in","lock_system":"TSA-approved combination lock","expansion_capacity":"110.2"},"confidence_score":null,"summary":"The Large Flex is a hard-shell checked suitcase with a wraparound expansion zipper that adds 1.75 in of packing space. It features Away's interior compression system, premium 360° spinner wheels, and a TSA-approved combination lock, suited for travelers needing high-capacity, durable checked luggage for trips of two weeks or more.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Away","url":"https://www.awaytravel.com/products/large-flex-jet-black","currency":"USD","source_country":"US","price":425.0,"price_gbp":317.37,"scraped_at":"2026-06-08T03:35:47.369964"},{"label":"Away (DTM listing)","url":"https://www.awaytravel.com/products/the-large-flex-in-jet-black","currency":"USD","source_country":"US","price":340.0,"price_gbp":253.9,"scraped_at":"2026-06-08T03:35:50.233159"}]},{"brand":"Osprey","model":"Sojourn Shuttle 100L","price_gbp":294.97,"origin_country":null,"specs":{"weight":"8.6","wheels":"2 wheels","capacity":"108","material":"Bluesign approved 100% recycled 460D high-tenacity nylon (main) and 500D high-tenacity nylon (bottom)","dimensions":"30.71in x 19.29in x 16.93in","lock_system":"Zipper loop (TSA-compatible identification)","expansion_capacity":null},"confidence_score":null,"summary":"A durable, adventure-focused 100L wheeled duffel with oversized wheels, an extra-wide HighRoad chassis and WingJacket compression to protect heavy loads. Suits outdoor travellers who need a rugged, high-capacity bag for rough terrain rather than city-only travel.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Osprey","url":"https://www.osprey.com/sojourn-shuttle-wheeled-duffel-30-100l-shuttle30f23-818","currency":"USD","source_country":"US","price":430.0,"price_gbp":321.1,"scraped_at":"2026-06-08T03:36:24.112922"},{"label":"ScubaLA (DiveCenter)","url":"https://divecenter.com/osprey-sojourn-shuttle-wheeled-duffel-100l-op-10005395-no-sales-tax-free-ground-shipping/","currency":"USD","source_country":"US","price":395.0,"price_gbp":294.97,"scraped_at":"2026-06-08T03:36:26.998574"},{"label":"Powder7","url":"https://www.powder7.com/Osprey-Sojourn-Shuttle-100L-Luggage/sale","currency":"USD","source_country":"US","price":395.0,"price_gbp":294.97,"scraped_at":"2026-06-08T03:36:29.859192"}]}]}