These milk bottles are VERY POPULAR with occasions of every genre. They are most popular for birthday parties, holidays, and baby showers. The best ideas for this product are to tie cute labels to each bottle using twine and also insert a plastic or paper straw. Each bottle is made of durable plastic. Each package has 6 square milk bottles and measures 2 inches by 2 inches by 5.25 inches. PLEASE NOTE: LIDS ARE INCLUDED.