MATERIALS:Bottle Cap Sprinkler using high-quality Durable PP plastic materials,even if the child in the home also is not afraid of breaking Size:Approx.Length 4.5cm/1.77 inch,nozzle diameter 2.4cm/0.94 inch,bottom cover diameter 3cm/1.18 inch. Convert a bottle into watering can when use the cap sprinkler.The watering adapter can be fit with most open bottles.Please measure the bottle inner diameter before use Portable plastic small gardening watering sprinkler plant waterer garden tools,attach this watering spout to any plastic drinking bottle and make a clever watering can This spout sprinkles cap water gently and evenly You can combine water and plant food in a bottle then use the water spike to deliver the ultimate nourishing fluid