They’re 40mm foam impact bean bags.
Could also be blue tipped, semi hard rubber rounds. They hurt real bad. I fired off a few of those.
https://www.safariland.com/on/demandware.static/-/Sites-tsg-Library/default/dw8d409bfe/product-pdfs/less-lethal/40mm_eXact_iMpact_Sponge_Round_6325.pdf