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the a10 is a versatile, expandable bag that adapts to all your needs. with 3 sizes and 10 configurations, it's perfect for day trips, weekends, or longer getaways. its single strap or backpack options will provide you with the choice and comfort you need. an innovative system enables the adjustable bag a10 to expand or contract instantly. it is completely integrated into the adjustable bag's design, giving it a low-key appearance. there is no other expandable bag that is so simple, practical, and easy to use. with an average 5 star rating, we've designed our adjustable bag a10 to be extremely strong. see how much it can hold in this 200-pound test video.syi