Spring action grippers line the inside and Fits most size cups or mugs, and up to a standard C-Store 44oz size fountain drink. Non-slip base eliminates tipping.

The First Alert CO511B Wireless Interconnected Carbon Monoxide Alarm with Voice and Location detects elevated carbon monoxide levels and can work with compatible models to create a wireless alert system throughout your home. Designed for those who want a comprehensive detection system without hiring...