Prepare to hit the books or travel the world with this classic design full grain leather backpack. For those who are expected to look expensive and dashing, but playfully and charmingly all at the same time. Materials: Exterior made from full-grain cowhide (Vachetta leather) that will last you for decades Interior lined with cotton and leather. A Time Resistance bag is not an accessory of the season, but a companion for life. Its leather is an empty canvas that will get scarred throughout the years, and that’s what will make it truly beautiful and unique - the marks from your life and experiences that tell your personal story. Time Resistance bags and accessories are made of certified premium quality full-grain hand-dyed vegetable-tanned Italian cowhide (Vachetta leather) This leather has been tanned exclusively with natural tannins of vegetable origins and does not contain substances prohibited by law. Tannin extracts are fundamental ingredient for the slow tanning process and the quality of its result. This artisan technique maintains the natural look of leather, rendering each skin one of a kind with a slightly different pattern. Small veins, wrinkles and imperceptible scratches eventually present on the leather prove its naturalness rendering each skin one of a king. As an added bonus, vegetable tanning gives the leather a natural earthy smell. The marks from your life and experiences that tell your personal story will make it truly beautiful and unique!