Lankashi Pattern Wallet Design Flip PU Leather Cover Skin Protection Case for BLU Studio XL 6.0 HD D850Q 6.0 (Wolf) We ship by USPS ePacket, Normal Shipping time is 10~18 days to USA and with the tracking No. Material: High Quality PU Leather Case. Unique design allows easy directly access to all functions without having to remove the case. Prevent Scratches, bumps, grease and finger prints etc.