LEGO® Unikitty: The 1x3 Inverted Tile with Hole | New Elementary: LEGO® parts, sets and techniques
Tile, Modified 4 x 8 Inverted with Studs on Edges : Part 83496 | BrickLink
Discover LEGO® Part 35459 - Whimsical Modified Tile 1x3 Inverted with Hole!
LEGO® 6251044 35459 - ToyPro
LEGO Inverted Flat Tile 2x2 NEW 11203 choose colour and quantity | eBay
10 NEW LEGO Tile, Modified 2 x 2 Inverted Dark Blue | eBay
Lego 11203 - 6013866 Flat Tile Inverted White x4 Parts & Pieces ** | eBay
Tile, Modified 1 x 3 Inverted with Hole : Part 35459 | BrickLink
LEGO Tile 1 x 3 Inverted with Hole (35459) | Brick Owl - LEGO Marketplace
Tile, Modified 2 x 2 Inverted : Part 11203 | BrickLink
1x5 Lego-ish Inverted Tile
10 NEW LEGO Tile, Modified 2 x 2 Inverted Dark Bluish Gray | eBay
LEGO have started injecting the plastic from underneath on 1x3 tiles. I've seen this on 1x1s but am glad to see it expanding to other parts. Looks much cleaner. : r/lego