All of the NutriBullet Food Processor’s attachments – 7-Cup Work Bowl, Lid with Feed Chute, Dual-size Food Pusher, Blade Adaptor, Chopping Blade, Dough Blade, Spiralizer Disc, Reversible Thick Slice/Shred Disc, and Reversible Thin Slice/Shred Disc -- are top-rack dishwasher-safe. The Unit/Motor Base is NOT dishwasher-safe, and should not be submerged in any amount of water or liquid. The Unit Base should only be wiped clean with a damp cloth.