2.25 x 2.25 100 Pack = 45g. PLEASE NOTE 1.5 x 2.25 is actually 1.5 x 2.5 PLEASE TAKE THIS INTO CONSIDERATION BEFORE PURCHASING. Grip seal self resealable polythene plastic bags small and large clear zip 1.5 x 2.5 100 pack = 40g. 11 x 16 100 Pack = 1080g. 5 x 7.5 100 Pack = 240g.