Zac Zac Posen Biba Buckle Soft Bucket Crossbody in Tan. Zac Zac Posen Biba Buckle Soft Bucket Crossbody in Tan. Suede and leather exterior with suede lining. Drawstring closure with tassel accents. Interior slit pocket. Back patch pocket. Detachable chain shoulder strap. Measures approx 9 W x 8.5 H x 4 DShoulder strap measures approx 46 with a 18 drop. ZZAC-WY136. ZP6074. ZAC Zac Posen features all of the elements esteemed designer, Zac Posen is celebrated for perfect cuts, detail and sartorial beauty but is ideal for everyday wear. With this line Zac Posen almost effortlessly manipulates textiles and fabrics, plays with architecture and silhouettes and designs pieces that quickly turn into wardrobe staples. From bags, clutches and wallets accented with calf hair to richly designed ready-to-wear dresses, Posen has crafted a dazzling and approachable collection for the fashion forward.