"take it up a notch. Clean tapered bowls look like ultra-thin glass but are actually ultra-light pliable shatterproof plastic. Recyclable/reusable foursome parties on the patio, toasts poolside, packs to picnic. Notches right at the thumb to behold the vino. -Ultra lightweight PETG plastic -BPA-free -Remarkably thin and pliable -Shatterproof -Hand wash -Made in USA"