Smart Sense® Sandwich Bags. Easy open/easy close with Fresh-Lock® double zipper. 100 bags. 6 1/2in x 5 7/8in (16.5cm x 14.9cm). 100.0 CT Instructions: Easy to open, hold bag at center by gripper edges and pull apart to open. Easy to close, hold bag firmly at one end and snap by pinching seals. Run fingers slowly along seal to lock.