{"niche":"哪款可扩展行李箱在300英镑以内性价比最高？","description":"Which expandable suitcase offers the best value for money within £300?","products":[{"brand":"July","model":"Checked Expandable","price_gbp":279.18,"origin_country":null,"specs":{"weight":"8.3","wheels":"360-degree spinner wheels","capacity":"80","material":"German polycarbonate shell","dimensions":"26 in x 18.8 in x 11 in","lock_system":"Integrated TSA-approved lock","expansion_capacity":"10"},"confidence_score":null,"summary":"The July Checked Expandable is an 80L hard-shell checked suitcase that expands to 90L with an unzip expansion, featuring a German polycarbonate shell, aluminium corner bumpers, multi-stop telescopic handle, Y-strap compression, and 360° SilentMove wheels. It suits travelers needing durable, spacious checked luggage for 1-2 week trips and those who want built-in security and tracking options.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"July (official)","url":"https://july.com/us/luggage/checked-expandable/","currency":"USD","source_country":"US","price":375.0,"price_gbp":279.18,"scraped_at":"2026-06-06T03:53:27.849639"},{"label":"Forbes (shop link)","url":"https://www.forbes.com/shop/product/july-checked-expandable/","currency":"USD","source_country":"US","price":375.0,"price_gbp":279.18,"scraped_at":"2026-06-06T03:53:30.770795"}]},{"brand":"Samsonite","model":"Base Boost Spinner Large Expandable Suitcase","price_gbp":234.51,"origin_country":null,"specs":{"weight":"6.8 lbs","wheels":"Four multi-directional spinner wheels","capacity":null,"material":"Polyester","dimensions":"30.5 in x 18.3 in x 11.8 in","lock_system":"Mounted TSA lock","expansion_capacity":null},"confidence_score":null,"summary":"Lightweight, soft-shell checked suitcase with expandable capacity, front pocket and SmartFix compression straps. Suited for budget-conscious travellers who want a manoeuvrable, secure large checked bag with a TSA lock.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Samsonite (Canada)","url":"https://www.samsonite.ca/en/luggage/checked/samsonite-base-boost-spinner-large/79202XXXX.html","currency":"USD","source_country":"US","price":315.0,"price_gbp":234.51,"scraped_at":"2026-06-06T03:52:26.530433"},{"label":"Samsonite (US)","url":"https://shop.samsonite.com/luggage-checked-luggage/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-06T03:52:29.568083"}]},{"brand":"Tripp","model":"Holiday 8 Checked Suitcase","price_gbp":48.39,"origin_country":null,"specs":{"weight":"7.94","wheels":"4 dual wheels","capacity":"66","material":"100% Polypropylene","dimensions":"65cm x 45cm x 28-32cm","lock_system":"TSA-approved combination flush lock","expansion_capacity":"9"},"confidence_score":null,"summary":"Hard-shell polypropylene checked suitcase with a 66 L capacity (expandable to 75 L), integrated flush TSA combination lock, and smooth 4 dual-wheel handling; lightweight and durable for holiday travel. Suits travellers who want a roomy, value-oriented checked bag with easy manoeuvrability and expandability.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Tripp (official)","url":"https://www.tripp.co.uk/product/tripp-holiday-8-moss-medium-expandable-suitcase-46375","currency":"USD","source_country":"US","price":65.0,"price_gbp":48.39,"scraped_at":"2026-06-06T03:52:58.558221"},{"label":"Tripp Ireland","url":"https://www.trippluggage.ie/tripp-holiday-8-moss-medium-expandable-suitcase/p4125","currency":"USD","source_country":"US","price":65.0,"price_gbp":48.39,"scraped_at":"2026-06-06T03:53:01.597879"},{"label":"Tripp (UK product page)","url":"https://www.tripp.co.uk/article/81-say-hello-to-the-new-holiday-8-collection-from-tripp","currency":"USD","source_country":"US","price":69.5,"price_gbp":51.74,"scraped_at":"2026-06-06T03:53:04.596460"}]},{"brand":"Amazon Basics","model":"Hardside Expandable Checked Suitcase","price_gbp":80.4,"origin_country":null,"specs":{"weight":"11.6","wheels":"4 wheels","capacity":"84","material":"Extra-thick ABS hard shell","dimensions":"30.75 in x 21.0 in x 12.0 in","lock_system":null,"expansion_capacity":null},"confidence_score":null,"summary":"A large, budget-friendly hard-shell expandable checked suitcase with four spinner wheels and a roomy 84 L main compartment. Suited for travelers needing high capacity at low cost who prioritize volume over premium materials or integrated locks.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"OutdoorGearLab (retailer link to Amazon)","url":"https://www.outdoorgearlab.com/reviews/travel/luggage/amazon-basics-30-hardside-spinner","currency":"USD","source_country":"US","price":108.0,"price_gbp":80.4,"scraped_at":"2026-06-06T03:53:16.315612"}]},{"brand":"July","model":"Carry On Light Expandable","price_gbp":204.73,"origin_country":null,"specs":{"weight":"4.9","wheels":"double 360° spinner wheels","capacity":"35","material":"aerospace-grade German polycarbonate","dimensions":null,"lock_system":"zip closure with integrated TSA lock","expansion_capacity":"40"},"confidence_score":null,"summary":"A lightweight, hard-shell expandable carry-on that increases from 35L to 40L, weighing 4.9 lbs and built with July's SilentMove double 360° wheels and an integrated TSA lock. Suited for minimalistic travelers who want a light, durable carry-on with a small expansion for extra packing.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"July","url":"https://july.com/us/luggage/carry-on-light-expandable/","currency":"USD","source_country":"US","price":275.0,"price_gbp":204.73,"scraped_at":"2026-06-06T03:52:15.160995"}]},{"brand":"Antler","model":"Single Stripe Large Suitcase","price_gbp":205.47,"origin_country":null,"specs":{"weight":"10.14 lb","wheels":"360 spinner wheels","capacity":"144 l","material":"Polypropylene","dimensions":"32 x 22 x 13.5 in","lock_system":"TSA-approved combination lock","expansion_capacity":"5 l"},"confidence_score":null,"summary":"Hardside large suitcase with a lightweight polypropylene shell, 360-degree spinner wheels, internal organiser and a TSA-approved combination lock. Suited for long-haul travellers who need high capacity and durable, easy-to-manoeuvre luggage.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Antler","url":"https://www.antler.com/products/large-luggage-black-single-stripe","currency":"USD","source_country":"US","price":276.0,"price_gbp":205.47,"scraped_at":"2026-06-06T03:52:41.134153"},{"label":"Bloomingdale's","url":"https://www.bloomingdales.com/shop/product/antler-single-stripe-large-spinner?ID=5597476","currency":"USD","source_country":"US","price":325.0,"price_gbp":241.95,"scraped_at":"2026-06-06T03:52:44.063498"},{"label":"NEXT","url":"https://www.next.us/en/style/su538580/aw0729","currency":"USD","source_country":"US","price":423.0,"price_gbp":314.91,"scraped_at":"2026-06-06T03:52:46.995205"}]}]}