This tumbler has TempShield️ double-wall vacuum insulation for long-lasting temperature protection. It comes with a secure Press-In Straw Lid and a flexible straw. The tumbler is made with durable 18/8 pro-grade stainless steel and is compatible with size Large Press-In accessories. The price drops from $39.95 to $29.89. Shipping is free for prime members or on orders over $35.