Check the listing for details. The Foldie® 4.0 Travel Duffle - Water Resistant - Expandable Bottom - Black. Color: Black, Condition: New with tags. Listed at 39.99 USD. The Foldie® 4.0 Travel Duffle is a versatile and practical travel essential. Made from durable polyester material, this water-resistant duffle bag features an expandable bottom for added storage space. The classic black color and solid pattern make it a stylish choice for any traveler. With its 21" size and convenient expandable feature, this duffle bag is perfect for carrying all your essentials while on the go.The Foldie® 4.0 Travel Duffle is a versatile and practical travel essential. Made from durable polyester material, this water-resistant duffle bag features an expandable bottom for added storage space. The classic black color and solid pattern make it a stylish choice for any traveler. With its 21" size and convenient expandable feature, this duffle bag is perfect for carrying all your essentials while on the go.