Bamboo Lid for Glass Cup

Our bamboo jar lids measures approx. 70 x 54 mm in outer diameter and inner diameter, they can work with a glass of 58 - 68 mm diameter mouth. Diameter of straw hole measures approx. 15 mm/ 0.59 inch. Mason jar lids with straw hole are made by 100% naturally bamboo material, which is biodegradable and safe to use, not easy to warp or break. Care Tips: 1. clean lids after using; 2. do not use water above 85°; 3. do not store any liquid in the mason jar when not in use; 4. not suitable for preserving or water immersion.