Major Material:Cow Leather. Weight:475G. Number:13. Size:11.8"W ×3.9''H ×2.4''D (30X10X6cm). 1 Detachable (Adjustable) Strap. 1 Interior Pocket. Fits for iPhone12 Pro Max and all sizes of phones which are smaller than it. The round metal buckle is inspired by the 90s record player, adding a touch of retro classic to this minimalist bag design. The high-quality hardware accessories are wear-resistant and not easily scratched.. The dual shoulder straps are suitable for both backpack and single-shoulder, crossbody, and handheld carrying methods, providing excellent weight-bearing capacity.