The handle is made of a cushioned synthetic leather material, so it wont hurt your hands even when you move for a long time. The front pocket with zipper can also store multiple EP boards. The inner is made of smooth polyester material. Outer dimensions (W x H x D): 15.9 x 16.7 x 3.7 inches (40.5 x 42.5 x 9.5 cm). The number of LP board storage capacity: Approx. 20 x 20 x 20 x 20 inches (20 cm). The instruction videos are available at https://www.youtube.com/watch? v=nvbbfetV4nU&t=16s