Welcome to our store! HIGH QUALITY MATERIAL: Silicone glass markers are made of food safe silicone, safe and environmentally friendly. EASY TO CLEAN: After use, the silicone glass mug can be washed in the dishwasher or washed manually with soap and water and reused. Party decoration: silicone glass markers in bright colors can be used as party decoration so that everyone can mark their cups without taking the wrong cup. Easy to use: Just hang the marking clasp on the glass to easily distinguish which is your own glass. WIDE USAGE: It can be used to mark glasses on party and picnic lunch boxes for family gatherings, late night bars and outdoor trips. 100% SATISFACTION: Our customers are our top priority. If you find any problem with the product after you receive the goods, such as damage and incorrect quantity, please contact us immediately. We try our best to provide you with satisfactory after-sales service.