You are buying Plastic Mailing Bags Color: Grey Select Sizes [All Range]: 4"x7" 4.5"x7" 6.5"x9" 8"x10" 9"x12" 10"x14" 11"x15" 12"x16" 13"x19" 14"x 19" 14"x21" 17"x22" 17"x24" 20"x 26" 21"x24" 22"x30" 24"x36" 28"x34" 34"x42" Thickness: 50 - 55 mu .
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