Woot offers Lululemon Everywhere Belt Bags for $29.99 + free shipping with Amazon Prime.

Product Description:
Phone, keys, wallet. Keep them close in this versatile belt bag that helps you get out the door and on to your next adventure.

• Bag dimensions: 19cm x 5.5cm x 13cm (7.5" x 2" x 5")
• Strap length when fully extended: 106cm (41.7”)
• Volume: 1L
• Updated longer length strap
• Exterior zippered pocket to secure your valuables
• Interior pockets hold the essentials