This product is either discontinued or we cannot get that from suppliers.
Moshi, 99MO071007, Iglaze For Macbook Air 13, Maximum Screen Size 13.3" / 33.8 cm, Top Cover 12.1"x 8.5 x 0.11"(30.7 x 21.6 cm x 0.3cm), Bottom Cover 12.1"x 8.3"x 0.62"(30.7 x 21.2 x 1.62 cm), Compatibility:13" MacBook Air with Thunderbolt 3/USB-C Ports.
Protect your MacBook from scratches and shocks with this premium hardshell cover. Two-piece construction, raised rubber feet and a rear vent cut out for improved air flow.