TOSSWARE 18oz Tumbler - recyclable wine plastic cup - SET OF 12 - stemless, shatterproof and BPA-free wine glasses 18oz Tumblers Upscale, recyclable, shatterproof, and crystal clear Patented smooth rounded rims Patented interlocking space-saving stackability 100% BPA-free, and made with the highest quality recycled PET polymer Just drink, toss and recycle! As a gentle reminder, if you must reuse your cups, please remember to hand wash them only, as our BPA-free material is not dishwasher safe