How much does this cost to the nearest dollar?

ProLine Blue Poly Mailer Envelopes Shipping Bags with Self Adhesive, Waterproof and Tear-Proof Postal Bags (500)
Blue poly mailers, inches, you will receive the qty you selected blue poly mailers Self-Seal, Water, Tear and Puncture resistant. Blue outer surface/Black privacy lining. the bag will not see through. High-efficiency mailers are perfect for shipping a wide variety of non-fragile items. Heavy-Duty Weather, Tear, and Puncture Resistant - won't bust or break open, even if over-packed. Manufacturer BESTeck, Brand ProLine Packaging, Is Discontinued No, Color Blue, Closure Self-Seal, Shape Rectangular, s 500, Size 7.5\ x 10.5\, Manufacturer Part

Price is $21.00

Price: $20.95