VERSATILE 4-PACK: Receive a set of 4 vibrant silicone milk bottle lids in Dark Green, Blue, Off-white, and Pink, providing ample replacements and colour coding for your daily beverage storage needs. PREMIUM SILICONE MATERIAL: Crafted from high-quality, food-grade silicone, these durable and reliable caps are odour-free, safe for repeated use, and designed for long-lasting freshness preservation. CONVENIENT & PRACTICAL: Engineered for modern kitchens, these lids are resistant to high temperatures, making them safe for dishwasher cleaning, refrigeration, and microwave heating for ultimate convenience. SECURE LEAKPROOF SEAL: Featuring a precise 48mm diameter, these replacement caps offer a snug, leak-resistant fit on compatible glass milk bottles, effectively locking in freshness and preventing spills. BROAD COMPATIBILITY: Compatible with most brands of glass baby bottles on the market, it opens and closes effortlessly for a perfect seal.