Safe Glass with Protective Silicone Sleeve：Crafted from durable, kid-safe glass, each 8 oz cup comes with a soft silicone sleeve that cushions drops and helps prevent breakage.The cozy sleeve not only protects the glass but also provides a comfy, non-slip grip for little hands.Glass won’t absorb odors or flavors, keeping every sip pure and delicious. Gentle Silicone Straw For Transitioning Sippers：Features A Soft, Food-Grade Silicone Straw With A Gentle Cross-Cut Tip, Perfect For Toddlers Moving From Nipple-Based Cups To Straw Drinking. The Flexible Straw Is Kind On Gums And Supports Oral Motor Skill Development, Making It Easy For Little Ones To Learn Independent Sipping. Ideal For Ages 1-3 As A Cozy Bridge From Bottles To Straw Cups. Colorful Non-Slip Design for On-the-Go Fun：Vibrant, food-grade silicone sleeves with playful patterns offer a secure, ergonomic grip for tiny hands. The sleeves also insulate against hot/cold surfaces to protect little fingers. Use as versatile snack jars for yogurt, berries, or cereal—perfect for picnics, daycare, or travel. Easy to Clean & Dishwasher-Safe：Fully detachable parts—glass jar, silicone sleeve, straw—allow thorough cleaning. The smooth glass interior resists residue, and dishwasher-safe design (top rack only) saves busy parents time. Pro tip: Hand wash lid valve regularly for best spill resistance. Adorable Gift-Ready Packaging for Every Occasion：Each set comes in a colorful, reusable box with playful kid-friendly patterns—perfect for back-to-school, birthdays, or holidays. The packaging matches the cups’ vibrant design, appealing to kids while reassuring parents of their safety and functionality. No wrapping needed—ready to delight! Sursip Toddler Glass Cups with Straw, Spill-Proof Kids Mason Jar Food Storage with Lids, Sippy Cups for Drinks, Smoothies, Snacks, Milk Cup [4 Pack] 8 oz 2-in-1