IDK Waterslide Decals – Relatable Anxiety Humor Sayings for Tumblers

These adult sayings waterslide decals are for the ones who respond to everything with "IDK" — and that's totally valid! Featuring relatable anxiety humor and sarcastic designs for the overthinking, under-deciding crowd. Perfect for funny tumblers, sarcastic gift mugs, wine glasses, and personalized adult drinkware. Each decal measures 3.0–3.5 inches and is laser-printed on your choice of clear or white waterslide paper. No sealing required — they arrive ready to apply. Easy instructions included. Ships via USPS Ground Advantage with tracking. Free shipping on orders over $45.