Durable & Easy to Clean: The bogg bag cup holder is made of heat-resistant silicone, which feels soft, sturdy and waterproof, it offers stability in high temperatures for enduring use Multi-Functions: This holder doubling as a phone and cup holder, is compatible with stanley 20/30/40oz cup and various phone models. Designed with holes on the side for hanging key and sunglass and is available in 4 colors for personalized style Effortless Installation: The cup holder has 4 snaps which can be easily fixed in the holes of the bogg bag. It include bottom holes for charging cable port, water drainage and heat dissipation, enhancing its practicality as a bogg bag accessory Portable & Spacious: Lightweight and compact, this cup holder accommodates phones, mugs, sunglasses, keys, makeup, snacks, and more, making it a versatile and essential beach accessory Compatibility: Designed for compatibility with various bogg bag, this multi-functional organizer seamlessly integrate with your favorite tote, provide a stylish way for carrying your drink, phone, glasses,ect in an organized and accessible manner