Size: 10inch(25cm) extra deep pocket enough to fit any mattress up to 25cm deep, mattress protector has elastic around edges to cover over the mattress perfectly. Superior Material: The quilted mattress toppers made of microfiber polyester and filled by 100% 3D microfiber polyester, hypoallergenic and anti bacterial, offers the best of both insulating warmth and comfortable breath-ability. All Around Elastic: Not just corners, elasticated all the way round for perfect fit as a mattress pads cover. Lasting elastic will fits nicely around large mattress, easy to get on or off Soft and Warm: Extra thickness brings extra warmth, the materials that mattress protectors used been tested of harmful substances, skin-friendly, non-iron, no irritation smell and surprisingly smooth. Easy to care: Machine washable up to 30℃, wash dark colour separately. Do not bleach and tumble dry on low.