Frank Green Flip Straw Lid Colour:Sky Blue it can be used in

it can be used in the pram

build self-esteem

it also showed through his magical paper cuttings

Just slide the button and the mouthpiece will flip up for easy

mini science experiments

Frank Green Flip Straw Lid Colour:Sky Blue it can be used inIntroducing Frank Green's newest accessory the flip lid. You'll flipping love this lid! Just slide the button and the mouthpiece will flip up for easy, touch free, one handed hydration. Designed with NEW extra durable material and a soft feel silicone mouthpiece, these Flip Straw Lids are flipping fantastic. These lid hulls can be mixed and matched with your existing frank green lids. Flip straw Lid pack includes flip lid hull and strap, straw not