Featured Material: The DIY Sublimation Coaster is made of 5mm thick neoprene material with thermal transfer layer and natural rubber base for a firm grip on the tabletop to prevent slipping. The soft material absorbs condensation from the cups, no more puddles on the tabletop. Thermal Transfer Process: Can print any personalized picture on white polyester fabric with thermal transfer layer; Pressing temperature: 180-190C (356-374F) Pressing time: 40-70 seconds. Temperature and time can be adjusted according to the actual situation. DIY Gift: You can leave meaningful and on blank sublimation coasters and give them to your family and friends on festival, Thanksgiving, birthday parties, etc.. Versatile Use: Heat sublimation coasters can be used in kitchens, bedrooms, cafes, etc., to hold coffee cups, wine glasses, teacups and glass bottles. Package includes 50 Pcs blank sublimation square coasters, product size: about 4 x4 inches, thickness: 5mm. Please note: the physical slightly color difference or difference, please do not mind, does not affect the use, thank you! Colour:Photo Color Material:Neoprene Size:About 100 x 5mm Package Contents: 50 x blank sublimation square coasters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.