About this item DESIGNED TO PROTECT: This premium zipper case is designed to protect your earphones, earbuds, headphones, in-ear monitors (IEM's), custom molded earplugs, and custom molded earphones. RUGGED EVA SHELL & SOFT INTERIOR: With a rugged EVA shell and a soft interior lining, the case is perfect for keeping your earphones or earplugs safe while on the go. Internal Dimensions: 1.5 x 2.75 x 4 inches Small pocket-sized form factor Rugged EVA shell Size description: 1.5 x 2.75 x 4 inches.