KitchenArt 14100 Adjust-A-Teaspoon And Adjust-A-Tablespoon Set, Plastic, 2-Piece, White Teaspoon: 6 x 1 x 0.5 inch, Tablespoon: 6.25 x 1.25 x 0.75 inch Made of durable ABS plastic Teaspoon measures increments of 1/8 tsp. up to 1 full tsp. or 5 mL, and tablespoon measures 1 tsp. up to 1 Tbs. or 15 mL Slide cover to desired measurement and cover will click into place, angled edge makes precise leveling easy Top rack dishwasher safe, cover pieces can be removed for cleaning and snapped back into place