Bobobark is a versatile, convertible backpack purse that embodies the Parisian she heritage while being comfortable, practical and organized. The handmaid, designer piece can be worn as a shoulder bag (tote style), as a backpack or as a briefcase. Measures 16.5 x 11.4 x 4.7" Material : Premium cork skin that is collected in polished until the texture is a soft and supple leather. This organic cork material is three times lighter than traditional leather, which allows for added comfort. It is durable and strong and completely waterproof. Cork is organic and ethically sourced, so this convertible purse with backpack straps is completely sustainable!