These Frosty Wings are made out of ice so they can't fly, but perhaps if you try hard enough... Nope, you can double jump.
Frosty Wings price in Growtopia: sells for about 12 DL 75 WL, buyers pay about 1 DL (median of 17 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: 58FU, WF911, ORAJ, THAOK