I have tried that. I have one in my garage.
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You know this is for kids right? They don't even sell this, I had on before I started training. I kind of remember the biggest weight is 14.3lbs, then the rest is less than 10lbs. So what you see in the picture is total about 60lbs + say 5lbs for the bar = 65lbs!!! That's for KIDS, of cause you don't get any benefit!!!
I remember I had 3 of the 14.3lbs on each side, that only made about 90lbs at the time!!! That's NOT weight training!!
I won't even suggest you to get iron weights to add to this kind of bench. I remember my bar is hollow, it might not be safe to put more weights.
You want to be serious, get the real thing. The real bar alone is 45lbs alone!!! Weights come in 5, 10, 25,35 and 45lbs. You train, at least get up to 135lbs ( one 45lbs on each side + 45lbs bar). Then you tell me whether it helps.
If you don't have space and want to be cheap. At least get what I am using:
https://www.amazon.com/INNSTAR-Adjustable-Resistance-Exercise-Black-200LB/dp/B08R33NSK4/ref=sr_1_2?crid=NQI5JWWK69UD&keywords=innstar+elastic+bench+press&qid=1664562191&s=sporting-goods&sprefix=innstar+elastic+bench+press,sporting,510&sr=1-2&th=1
Get the 150lbs, you can lighten it by removing one pair of elastic band. they are NOT 150lbs, maybe about 120lbs.
If you are strong enough, get another one of 200lbs, the real weight is about 160lbs.
Total is $100. Use the light one for warmup, then work out on the heavy one.
If 200lbs is too light, I can show you some tricks to shorten the belt in the middle to increase the resistance. That's what I am doing, I can get up to at least 190lbs(about).
Do it for 1/2 year, then judge. Stop playing with toys and those goofy stuffs.
Now, if you actually are serious, do that ONE TIME a week only, just multiple sets to burn that part out and give plenty of rest, don't do it 4 or 5 times a week. Adjust the weight so you fail at 10 or 12 reps. Do NOT do 200 reps type of stuffs.
Then you need a lot of protein. You don't eat meat, drink Soy or other vegetable protein to make sure you have at least 100mg a day that day. Or else you destroy more muscle than it can build and you get smaller.