https://www.amazon.com/DZS-Elec-Thickness-Replacement-Slingshot/dp/B081ZVNH98/ref=mp_s_a_1_3?crid=2XKQLMUMQ3J26&keywords=dzs+slingshot&qid=1680185671&sprefix=dzs+slingshot%2Caps%2C164&sr=8-3

https://www.amazon.com/Obert-Slingshot-Replacement-Thickness-Catapult/dp/B08DYG313W/ref=mp_s_a_1_19?crid=3EWQRPECDN00O&keywords=obert+slingshot&qid=1680185644&sprefix=obert+slingsho%2Caps%2C174&sr=8-19

While the other suggestions in this thread are better, I've bought both of the above for when I'm lazy, and they are decent. Not great, just decent. Pouches are a little small, but they're workable.