Select BJ's Wholesale Stores have for their Members: 14-Oz Ember Smart Mug (Slate Black) on sale for $39.98. Select store pickup where stock permits, a $3.99 Pickup Fee will apply.

Note, availability for store pickup varies by location.

Thanks to Community Member hunhun for sharing this deal.

Features:
Capacity: 14 fl. oz.
Built-in battery to maintain your drinking temperature
Battery life: 80 minutes, or all day on included charging coaster
Included lid extends battery life and prevents spills
Ember Mug Charging Coaster 2 included
Pairs with the Ember app. iOS and Android compatible
Temperature range: 120°F – 145°F
Ember Mug is safe to hand wash and submersible up to 1 meter in water
Do not microwave
Includes Ember Cup, charging coaster, power adapter, sipping lid