PACK: This pack includes 8 colorful reusable silicone straws with stopper + Cleaning Brush. STRAW STOPPER: Our new straws with stoppers have arrived. No more little ones pulling out the straw from their drinking cups with lids. SIZE: These straws are (6.3"(L), 0.24"(ID), 0.35"(OD) so they are the perfect size for 8oz & 10oz mason jars/cups. SAFE, DURABLE MATERIALS: Made from food grade silicone and dishwasher safe. All our products are independently tested to ensure they are 100% safe. Built to last, they’re for families who value quality and safety. ELK AND FRIENDS: Since 2015, we have been creating mindfully designed, environmentally friendly products for the most precious little people in your life. Safe, fun and made with natural materials, every design is crafted with care for both kids and the planet. Thank you for choosing Elk and Friends – we’re so happy to be part of your family’s journey. Elk and Friends Adult & Kid's Reusable Silicone Straws with Stopper for 8oz & 10oz Mason Jars or Tumblers, Pack of 8 Colorful Straws 6.3"