The AliExpress 9th Anniversary Shopping Sale deals are NOW IN FULL SWING, and here's a great compilation of Case Back Covers for the Samsung Galaxy Note 9:
UTOPER 3D Metal Ring TPU Case: $2.67 (on mobile app)
Baseus Thin Semi-transparent Case: $3.89
c-ku Metal Ring TPU Case: $3.90
Cenmaso Fabric Case: $3.79
Baseus Military-Level Soft Silicone Case: $3.19
Eurynome Armor Shockproof Protective case cover: $5.09
MY COLORS Rugged 2-in-1 Combo TPU+PC Back cover: $5.14
NILLKIN Super Frosted Shield matte PC hard back cover case: $6.23
Mofi shockproof Cover Fabric Case: $6.49 - $6.79 (on mobile app)
Mofi shockproof Cover Fabric Case: $6.66 (on mobile app)
Mofi Silicone edge Full Cover Fabric Case: $7.19
LANGSIDI Genuine Leather case: $7.44 (on mobile app, after coupon and coins)
MAKEULIKE Genuine Leather Case (Alligator pattern): $8.24
* ✈ International Shipping available.