Not all pots and sponges are the same high quality! Our pots are thick walled and the sponge is the softest of any we have tried, fills easily with powder and spreads evenly. When the sponge is worn out we sell replacements so you don’t have to throw the pot out.
We also sell replacement sponges
http://www.diycosmetics.com/products/Replacement_Puff_5_Gram_Pot-124-68.html