Meritline offers this Screen Protector for Apple iPhone 4 3-Pack for $1.99. Coupon code "MLCKWNDRNL1" drops it to 99 cents. With free shipping, that's $0.33/protector, a buck under last week's mention of a similar set of matte protectors, and the lowest total price we could find for this quantity of iPhone 4 screen protectors by $2. These feature scratch, dust, and UV protection. Coupon expires after 500 uses.

Expect this to take two to three weeks to arrive.