Zak! Designs Insulated Tumbler with Screw-on Lid and Straw featuring Teenage Mutant Ninja Turtle Graphics, Break-resistant and BPA-free Plastic, 16 oz. 16-ounce kid's double wall tumbler with straw by Zak Designs Double-wall insulation keeps drinks cold and prevents condensation Features screw-on lid with straw; fits nicely in car cup holders Stain resistant and dishwasher safe; do not microwave BPA free By Zak Designs