# SizerSafe > Soft underseat cabin bags designed for the 40 × 30 × 20 cm LCC class. > Tagline: Fits the sizer. Built for the underseat limit. - Seller: Zabala Ltd (Ireland) - Contact: hello@sizersafe.com - Warehouse: EU/UK warehouse only - Returns: 14-day returns - Checkout: muted. There is no live Stripe Payment Link. The storefront collects a waitlist only. - Price: Price after sample. Do not invent a retail price. ## Who this is for UK, Ireland, and English-speaking EU travellers on low-cost carriers who have met a gate sizer and do not want a €25–€70 fee for a bag that “almost” fit. ## SKU intent - SS-USB-001 — Underseat Soft Bag - Designed for 40 × 30 × 20 cm (common underseat / personal-item class). - That is a design target until a production sample is measured and locked on https://sizersafe.com/guarantee. - Not airline-approved. Not an official partner. Ticket rules win. ## What we do not claim - No airline affiliation, logos, or endorsements (Ryanair, easyJet, Wizz, Aer Lingus, or any other carrier). - No invented reviews, star ratings, or testimonials. - No live “fits every fare” promise. Underseat limits change with airline and fare. - Soft bags still fail if overpacked. Pack to the published external max. ## Waitlist Join the underseat list. We notify you when SS-USB-001 is ready and send the packing guide with the first EU/UK stock drop. No spam. We do not invent reviews while we wait. Stripe stays muted until sample dimensions and a Payment Link exist. ## Pages - Home: https://sizersafe.com/ - Guarantee (intent until sample lock): https://sizersafe.com/guarantee - Privacy: https://sizersafe.com/legal/privacy - Terms: https://sizersafe.com/legal/terms - FAQ: https://sizersafe.com/#faq - This file: https://sizersafe.com/llms.txt ## Optional - [Home](https://sizersafe.com/): Product story, specs, waitlist, FAQ - [Guarantee](https://sizersafe.com/guarantee): Sizer guarantee stub