Orange protogen Mask for Sale by Protato-Chips

Protogen Fursuit Head by Nitral -- Fur Affinity [dot] net

Teal protogen | Mask

Protogen mask! (His name is Levi) by Horseflythehivewing on DeviantArt

Protogen's mask by Erpicaniktium -- Fur Affinity [dot] net

Flowfell on X: Love the idea of a removable protogen mask on an oc, this sheet was so much fun to draw ^_^ / X

Gray fox in a protogen mask) by Monik_Fox -- Fur Affinity [dot] net

ANAT (adult merc who put on a protogen mask for fun(he is not furry)) by battlelol on Newgrounds

protogen mask sticker by Phill1pp on DeviantArt

SALE Spectrum Protogen Body Pillow Cover/dakimakura - in 2023

Blue protogen Mask for Sale by Protato-Chips