Etui Mobile by Jerome Dreyfuss Your phone deserves better. Give it the ultimate upgrade with Etui Mobile. Mobile phone holder in pewter laminated leather with flap. Card holder on the back. To be worn over the shoulder. Size & Fit: Height: 19cm. Length: 11cm. Depth: 0.2cm. Shoulder strap: 120cm. Composition: 100% goat leather. Lining: 100% cotton.