Longchamp LO606S 429 Petrol Brick Frame Brown Gradient Lens 。This listing is for authentic Longchamp Paris LO606S 429 Petrol Brick Frame Brown Gradient Lens Cat Eye Sunglasses w/ Case 56-18-140. Sunglasses are in very good pre-owned condition, (see photos). Size: 56-18-140. Made in China. Longchamp brown hard case included in listing. Please see pictures to make your complete condition assessment. The Longchamp LO606S Sunglasses are just the right combination of classy and bold. They have the most charming cat-eye with delicate temples all working together to give off the most elegant outlook. The bridge and rim are just as delicately designed and with the right amount of detail so that you can enhance any outfit by adding this immaculate piece of accessory to it.