Cait Chapman Home Fashion Clear Vinyl Stripe Placemats (Black), Set of 4 Dimension: 12"Wx18"L (30 cm x 45 cm) 100% Vinyl, Double Polished Clear Vinyl, heat resistant up to 150F Durable and Easy Clean, Simple and classic stripes No leaking, no water absorbing, easy to wash, good for outdoor dining too. Perfect for everyday use, provide protection and style to your dinner table. Due to the nature of vinyl material, it might get bent during the transportation. Should it appear bent, just use hair dryer to apply low heat or press under subjects to flatten it. They will be back to the flat surface shortly.