The world's first toddler proof cup. The No-knock Cup is the open top cup that won't knock over. Rescue innocent carpets, rugs and table-tops from spills and stains. Enjoy family mealtimes without mopping up. , , Clevergrip technology means this tough little cup resists knocks, bumps and bashes from little hands. It stands firm on hard surfaces, saving tables, floors and more from toddler spills. Relax and enjoy mealtimes free from the annoyance and hassle of having to clean up.