Caps Compatible with All and, Silicone Caps Toppers Compatible with Accessories, Protectors Material: Plastic Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 10g Package size: 2.3x1.9x1.9cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) FOOD GRADE MATERIAL: Our straw caps are made a high quality, Food-grade silicone, BPA-free, reusable, and available in multiple colors to match your active style.ensuring that your beverages stay pure and from harmful substances. MAGNETIC DESIGN - Secure magnetic straw cover attaches to your lid. Prevents loss and keeps your straw clean, even during active moments and sports activities. LEAKPROOF & SPILL-PROOF - Tightly seals your tumbler straw. Perfect for outdoor sports, commuting, gym sessions, or everyday use. UNIVERSAL COMPATIBILITY - Fits Era, Resa, and most stainless steel tumbler straws. Easy to attach and remove for active lifestyles. STYLISH AND FUNCTIONAL ACCESSORY - Elevate your drinking experience with these stylish magnetic straw caps that not only enhance the function of your tumblers but also add a trendy touch to your beverage routine.