I notice you're asking about an "X-Ray texture pack" for "Eaglercraft" version 1.8 — likely trying to see ores through walls in a Minecraft-style web browser game.
Check Compatibility: Ensure the pack is specifically for version 1.8. Versions for 1.16 or 1.20 may not display textures correctly in Eaglercraft. x ray texture pack 18 eaglercraft download free
If you still want to try, search Eaglercraft community forums (like the official Eaglercraft Discord) and ask about "transparent texture packs" — but expect server anti-cheat to block them. I notice you're asking about an "X-Ray texture
Apply the Texture Pack in Eaglercraft: With the texture pack installed, start Eaglercraft and navigate to the game's options menu. From there, you can select the X-Ray texture pack 18 and apply it to your game. x ray texture pack 18 eaglercraft download free