The Knack Bags Series 2 Expandable Knack Pack Backpack in black is a versatile and practical backpack designed for travelers. Made of durable nylon material, this backpack features a solid pattern and an expandable design, providing extra storage space when needed. With a unisex adult gender, it offers a comfortable and functional option for both men and women on the go. Perfect for carrying essentials while traveling, this backpack is a stylish and reliable choice for any adventure.