Delcasa Brush with Nylon bristles are durable and fine. Food is easily scrubbed away with stains and dirt. It is flexible with an excellent bristle bend recovery. Our bottle brush an be used to clean a multitude of items, ideal for cleaning larger baby bottles, coffee pot and filter basket, sports bottle, cups, thermos, fish bowl, vases, blenders, water purifier, electric kettle and jars.Our brushes with its sponge help solve the problem of cleaning the bottom of the bottles very well.