Size: L Length: Approximately 17.6cm Width: Approximately 15.2cm Neck circumference: Approximately 34cm Thickness: Approximately 2cm Weight: Approximately 132g Material: External TPU, Internal PCM Melting point: 28°C Cooling duration: 2-4 hours Cool Neck Cool Ring Heatstroke Prevention TPU Cold Blue Ice Neck Ring L *Instant purchase welcome, silent purchase at midnight OK✨ *Welcome to bulk purchase, please feel free to comment♡ *All items are free shipping! ・Please understand that items are stored at home and shipped in simple packaging before purchasing (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product♪ #yyyuuu Click here for a list of products available for immediate purchase✨☜