Plastic Bottles,Jerry Cans etc Plastic Bottles come in many different shapes,sizes and choice of marterials for different applications. Eg: Round bottles, commonly referred to as boston rounds are a basic round shaped medicine bottle. The shape of the round bottles make it a good choice to add fine mist sprayers, lotion pumps, dropper top or disc top caps. The round bottles (known as boston rounds ) have a wide variety of common uses. Our LDPE or HDPE boston rounds and glass boston rounds  are available in a wide range of sizes and colours including clear, white and blue bottles.