Key points for purchasing a bouncing vacuum cup
Key points for purchasing a bouncing vacuum cup Bouncing lid Equipped with a safety latch to prevent accidental opening and leakage; featuring an integrated silicone sealing ring that rebounds crisply upon pressing and remains leak-proof even when inverted. The inner lid silicone should be food-grade and odorless. Cup capacity 350–500ml, most commonly used, with a […]
