I have some different styles and sizes at my Etsy shop (check the link in my signature). I usually sale them in packs of 2 and 3, but I'd consider a bulk order for a cheaper price. Let me know if you're interested.
$295.00 for 1000 makes them about three cents each....BUT.... what is the amount of stiffness and what is the fabric content and what chemicals are used in the manufacturing process to make the fibres cling together? What is the number of rubs before it comes apart? And again, when it does begin to break down and throw fibres into the air, what are those fibres, and what chemicals are on those fibres. If they cannot or will not disclose information re the content of the plectrum and the chemical content, I wouldn't buy them if they were ten for a nickle. If they can't /won't tell you, how will you be able to answer to those who ask you? Will they send a sample for your own "field testing" ? Do you get to check the batch you get before you have to pay for them? Or, if you get them and they are NOT the same as the sample, what is your recourse to getting your money back? Even on a little item like this, a product liability lawsuit can cause more grief than any profit you may earn. If you have the answers beforehand, and can include"fine print"with the item, you may be less vulnerable to frivolous lawsuits.
If the only thing you can say is " I don't know", that's an uncomfortable place to be. This was not written to be negative, it was intended to be positive. Positive that you can know you are reasonably sure you are selling a safe product.
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