16 Pcs Under Couch Blocker Under Sofa Blocker Adujstable Couch Barrier Sofa Blocker for Couch. 16 Pcs Under Couch Blocker Under Sofa Blocker Adujstable Couch Barrier. Widely Applicable: under bed blocker can be assembled under furniture, such as beds, sofas, etc., to avoid pets from entering the sofa or under the bed.