For house lighting these bulbs are excellent.at this price it is best .these bulbs are seems in various wattage like 7, 9, 14etc.these are high durable even they continue for 2 to 3 years.it has also guarantee and you can exchange this between your guarantee duration.they looks beautiful in house . style is extremely well. These are rounded oval like structure. I have used theis product since 5 years .it will be decrease your electric bill .