sip-build-1.0.0-neoforge-1.21.1.jar is a release file of the Minecraft mod Special Item Pack for NeoForge, made for Minecraft 1.21.1. It was published on October 7, 2026 and is 0.5 MB in size. For the full description, screenshots and every other version, visit the Special Item Pack mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
