Felt is an elastic, light, aseismatic material. Made of with environmentally friendly material. And it's recycling reproduct.

Product specification,

Wool: 1/8" thick, 100% wool felt in GunmetalLeather: Hand-dyed, premium vegetable tanned leather, BrownInterior: Cotton fabric in GreenHardware: Nickel finish

Felted material is 100% wool felt and is around 1/8" thick. This high quality felt is a sustainable and renewable material and offers strength while remaining soft to the touch. Leather strap is made of top-grain, vegetable-tanned leather and is hand-dyed here in the studio using environmentally friendly, low v.o.c. dyes. Each piece is handled and studied and minor variations in texture and color, though they are slight, are part of the unique character of each piece.

Nickel Snap on the front, nickel rivet on the back. Case is fully lined with cotton fabric to protect your iPod from the snap & rivet.