Get some BAG SEALERS to make any bag leakproof & air tight.
Price: Php 200 per pack (contains 8 slide sealers)
Pick up in AAV. Delivery in AAV: Php 50 but FREE for orders of 3 packs or more
Delivery outside AAV: c/o buyer.
MOP: BPI, Gcash, Metrobank, COD (exact amount is appreciated).