{"niche":"哪个可扩展的行李箱最适合长期使用？","description":"Which expandable suitcase is ideal for long-term use?","products":[{"brand":"Quince","model":"Expandable Carry-On Suitcase 23in","price_gbp":104.86,"origin_country":null,"specs":{"weight":"6.8","wheels":"360° spinner wheels","capacity":"48","material":"polycarbonate hard shell","dimensions":"15.16 in x 10.24 in x 23.03 in","lock_system":"TSA-approved combination lock","expansion_capacity":"57"},"confidence_score":null,"sources":[{"label":"Quince (alternative size listing)","url":"https://www.quince.com/unisex/expandable-carry-on-hard-shell-suitcase-20","currency":"USD","source_country":"US","price":139.9,"price_gbp":104.86,"scraped_at":"2026-06-10T00:04:30.371059"}],"summary":"Hard-shell expandable 23in carry-on with polycarbonate shell, 360° spinner wheels, interior compression panels and a removable laundry bag; expands 1 inch to increase capacity from 48L to 57L and includes a TSA-approved combination lock. Suited to travelers who want lightweight, durable carry-on luggage with good packing capacity and smooth maneuvering.","ideal_for":"适合长期使用，因为其 57L 扩展容量、耐用的 polycarbonate shell 和 360° spinner wheels 为延长行程提供额外打包空间、耐用性和便捷的移动性。"},{"brand":"Calpak","model":"Ambeur Large Expandable Spinner","price_gbp":206.13,"origin_country":null,"specs":{"weight":"11.2","wheels":"360-degree spinner wheels","capacity":"100","material":"Polycarbonate shell","dimensions":"30.25 in x 19 in x 11.75 in","lock_system":"TSA-approved combination lock"},"confidence_score":null,"sources":[{"label":"Bailey Berry","url":"https://www.baileyberry.com/products/calpak-ambeur-luggage","currency":"USD","source_country":"US","price":275.0,"price_gbp":206.13,"scraped_at":"2026-06-10T00:04:07.521811"}],"summary":"The Ambeur Large is a 30-inch polycarbonate hardshell spinner that expands up to 2 in, has a built-in TSA-approved combination lock, rust-resistant aluminum poles, and 360° spinner wheels. It holds about 100 L and is relatively lightweight at 11.2 lbs, making it suitable for extended trips where durable, hard-shell protection and extra packing space matter.","ideal_for":"适合长期使用，因为其 100 L 容量、2 in 可扩展设计和耐用的 polycarbonate shell 提供了可扩展的大容量打包空间和保护性结构，适合延长行程。"},{"brand":"Briggs and Riley","model":"Baseline Essential 22in Carry-On Expandable Spinner","price_gbp":546.42,"origin_country":null,"specs":{"weight":"10","wheels":"360º spinner wheels (4 wheels)","capacity":"37 - 48","material":"Premium Ultra-Durable Ballistic Nylon","dimensions":"22 x 14 x 9-11.5 in","lock_system":"Travel Sentry approved combination cable lock","expansion_capacity":"11"},"confidence_score":null,"sources":[{"label":"Abt (product detail listing shows same model)","url":"https://www.abt.com/Briggs-Riley-Baseline-Essential-Carry-On-Expandable-Spinner-22-in-Plum-BLU122CXSP64/p/224182.html","currency":"USD","source_country":"US","price":729.0,"price_gbp":546.42,"scraped_at":"2026-06-10T00:03:52.215264"}],"summary":"The Baseline Essential 22in Carry-On Expandable Spinner is a durable ballistic-nylon carry-on with Briggs & Riley's CX one-touch expansion/compression system, Outsider exterior handle for a flat packing surface, built-in garment folder and 360º spinner wheels. It's built for frequent travel with impact-resistant corner guards, self-repairing YKK zippers and a Travel Sentry-approved lock. Suits travelers who need high-capacity, organized carry-on packing and long-term durability.","ideal_for":"适合长期使用，因为其 CX expansion 可增加最多约 30% 的容量（37-48 L），同时压缩回登机尺寸，并采用优质 ballistic nylon 并提供 lifetime repair guarantee。"},{"brand":"Delsey Paris","model":"Helium Aero 29in Expandable Spinner","price_gbp":209.87,"origin_country":null,"specs":{"weight":"10.19 lbs","wheels":"360° spinner wheels","capacity":"112 L","material":"Polyester and nylon","dimensions":"19.9 in x 13.2 in x 32.7 in","lock_system":"TSA-accepted combination lock (Zip SECURITECH)","expansion_capacity":"123 L"},"confidence_score":null,"sources":[{"label":"DELSEY (official US site)","url":"https://us.delsey.com/products/402397830-helium-dlx-29inch-expandable-checked-spinner","currency":"USD","source_country":"US","price":279.99,"price_gbp":209.87,"scraped_at":"2026-06-10T00:04:17.759794"}],"summary":"The Helium Aero 29in Expandable Spinner is a large, durable expandable checked suitcase with a 112 L capacity (123 L expanded), Silent-Core/360° spinner wheels, and Delsey's Zip SECURITECH zipper and TSA-accepted lock. It balances roomy packing for long trips with ergonomic handles, multiple pockets, and a removable organizer, suited for travelers needing structured, secure luggage.","ideal_for":"适合长期使用，因为其基础容量高达 112 L（可扩展至 123 L）且净重仅 10.19 lbs，可在不增加过多重量的情况下提供最大打包空间。"}]}