Smart cup sleeve with adjustable fit for both disposable and reusable cups.
Fits most cup sizes from 12oz to 20oz with secure grip technology.
Double-wall insulation keeps hot drinks hot and cold drinks cold longer.
Quick-fit design allows installation on most cup types in seconds.
Top-rack dishwasher safe for easy cleaning and maintenance.
12oz to 20oz cups and tumblers
Adjustable: 3.5" - 4.2" diameter
1.8 oz (51g)
Up to 4 months with normal use
Bluetooth 5.0 Low Energy
Food-grade silicone, BPA-free