Amazon! Little pricey but it seems pretty high quality.

AITEE Acrylic Display Case,... https://www.amazon.com/dp/B08QZ9YWQB?ref=ppx_pop_mob_ap_share

Yes! Here’s the link to mine. I’ve got two clear ones in large and a smaller silver one that has my legendary Pokémon in it

https://www.amazon.com/gp/product/B08QZ9YWQB/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1