- Foldable and Expandable Design: This travel bag features dual zippers at the bottom, allowing you to easily adjust its capacity. The standard size is 15.7 x 8.6 x 12.5 inches. Expand the first layer to increase the height to 19.98 inches, or expand the second layer for a maximum height of 27 inches. The bag's capacity ranges from 28L to a maximum of 58L, providing flexible storage options to meet your travel needs. - Smooth Mobility with Spinner Wheels: Equipped with four detachable spinner wheels, this rolling duffle bag offers effortless maneuverability on various surfaces. The wheels can be quickly removed for convenient daily use, making it ideal for both travel and everyday carrying. - Versatile Storage Solutions: The luggage bag features a spacious main pocket, a wet and dry pocket, and two internal small pockets. The main compartment is designed to accommodate electronics and supplies for trips lasting 5 to 7 days. Adjust the size of the bag by folding or unfolding it according to your storage needs. - Durable and Waterproof Materials: Constructed from high-quality, waterproof polyester fabric, this NVODA duffel bag protects your belongings from moisture and sharp objects. Its robust material ensures long-lasting performance, making it a reliable choice for all your travel adventures. Use Scenarios: 1. Perfect for weekend getaways, this expandable bag allows you to pack efficiently for both short and extended trips. 2. Ideal for gym enthusiasts, the wet and dry pocket provides a separate space for wet clothing or equipment after workouts. 3. Great for business travelers, the bag can hold essential electronic devices and personal items while remaining stylish and functional.