The Darling Effect Tumbler Fanny Packs are perfect for keeping your essentials close by while you're on the go! Water resistance fabric and an adjustable 17" Velcro strap provide secure storage for your 40oz tumbler. Features a versatile, lightweight design with a gusset side for pocket expansion and pouch dimensions of 3.5" by 6". Perfect for the gym, school, or travel.??

Features:

• Fits around 40 oz. tumbler
• Water resistance fabric
• Adjustable Velcro strap - 17" long
• Pouch dimensions: 3.5" X 6"
• Versatile Lightweight
• Gusset side for pocket expansion