Space-saving -- The foldable silicone cup has a foldable design that is space-saving, practical and convenient. You just need to open it with a little water to wash it. Durable and reliable material: foldable silicone cup made of food-safe silicone material. Tasteless, safe, durable, easy to clean and reusable. So you and your family feel comfortable when using it. Intimate leak-proof: the foldable water cup with silicone sealing rings can largely prevent unnecessary leakage and ensure an airtight seal when the bottle mouth is closed. Wide range of applications: the capacity of the silicone folding cup is 350 ml and 500 ml, which is the best available capacity that is suitable for coffee, milk, cola, juice, hot water, etc. Easy to clean -- The foldable cup is more durable. The foldable silicone cups are easy to clean, just gently wipe with water, which is also very practical for our daily cleaning. Material: silicone + PP, removable split cleaning; Specifications: Capacity 300L: Unfolded height 13.7cm Folded height 6.4cm, cup mouth diameter 8.2cm; Capacity 500ML: unfolded height 14.8cm folded height 6.7cm, cup mouth diameter 9cm.