Blue Honeycomb Print Coasters (Set of 4 Coasters) no drilling decor This ensures consistent pendulum motion NP_38_A This ensures consistent pendulum motion without affecting timekeeping 30 Back height Low Back 31 Finish type Natural 32 EAN UPC 33 Warranty service type Its a 12 months Replace or Refund Warranty only for manufacture related issues 34 Domestic warranty 1 year 35 International warranty 1 year 36 Model Series Name TangyOak Sapphire 37 Bush Included yes 38 Bend Direction multi directional 39 Seat dimensions 60 by 49 by 10 cm 40 Other dimensions 41 Ergonomic yes 42 Accessories included Hydraulic gas lift WATERPROOF: These coasters are printed on MDF Wood 5Cm diameter and that's perfect for glass