Black Large Waterproof 4-in-1 Hanging Toiletry Bag Roll Up Cosmetic Makeup Bag

I dont understand the pricing. 72$ for only 1-499 but then 4.80 for 500 and up. is this a typo. 72 - 4.80 is a large large difference.
Product name:Waterproof 4-in-1 Hanging Toiletry Bag Roll Up Cosmetic Makeup Bag
Color:Black or Custom
Usage:Hanging Travel Toiletry Bag for Men
Size:11*5inches
Logo:Accept Customized Logo
Feature:Waterproof
Style:Popular
MOQ:500pcs
Name:Men Roll Up Toiletry Bags Cosmetic Makeup Kit
Certificate:All Certificates
Pattern Type:Ostrich
Closure Type:Zipper
Style:Fashion
Material:PVC
Type:Bag
Place of Origin:CN;GUA
Brand Name:OEM/ODM